MFS SERIES TRUST X
NSAR-B, 1996-07-30
Previous: SUN LIFE INSURANCE & ANNUITY CO OF NEW YORK, S-2, 1996-07-30
Next: ZIEGLER MORTGAGE SECURITIES INC II, 10-Q, 1996-07-30



<PAGE>      PAGE  1
000 B000000 05/31/96
000 C000000 0000783740
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 MFS SERIES TRUST X
001 B000000 811-4492
001 C000000 6179545000
002 A000000 500 BOYLSTON STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02116
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  3
007 C010100  1
007 C010200  2
007 C020200 MFS/F&C INTERNATIONAL GROWTH AND INCOME FUND
007 C030200 N
007 C010300  3
007 C020300 MFS/F&C INTERNATIONAL GROWTH FUND
007 C030300 N
007 C010400  4
007 C020400 MFS/F&C EMERGING MARKETS EQUITY FUND
007 C030400 N
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A00AA01 MASSACHUSETTS FINANCIAL SERVICES COMPANY
008 B00AA01 A
008 C00AA01 801-17352
008 D01AA01 BOSTON
008 D02AA01 MA
008 D03AA01 02116
008 A00AA02 FOREIGN & COLONIAL MANAGEMENT LTD.
008 B00AA02 S
008 C00AA02 801-000000
008 D01AA02 LONDON
008 D05AA02 ENGLAND
008 D06AA02 EC2A 2NY
008 A00AA03 FOREIGN & COLONIAL EMERGING MARKETS LIMITED
<PAGE>      PAGE  2
008 B00AA03 S
008 C00AA03 801-000000
008 D01AA03 LONDON
008 D05AA03 ENGLAND
008 D06AA03 EC2A 2NY
011 A00AA01 MFS FUND DISTRIBUTORS, INC.
011 B00AA01 8-27864
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02116
012 A00AA01 MFS SERVICE CENTER, INC.
012 B00AA01 84-1316
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02116
013 A00AA01 ERNST & YOUNG LLP
013 B01AA01 BOSTON
013 B02AA01 MA
013 B03AA01 02116
015 A00AA01 STATE STREET BANK AND TRUST COMPANY
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02110
015 E01AA01 X
015 A00AA02 STATE STREET BANK AND TRUST COMPANY
015 B00AA02 S
015 C01AA02 BOSTON
015 C02AA02 MA
015 C03AA02 02110
015 E04AA02 X
015 A00AA03 THE BANK OF NEW YORK
015 B00AA03 S
015 C01AA03 NEW YORK
015 C02AA03 NY
015 C03AA03 10286
015 E01AA03 X
018  00AA00 Y
019 A00AA00 Y
019 B00AA00   50
019 C00AA00 MASSFINSER
020 A000001 MORGAN STANLEY
020 B000001 13-2655998
020 C000001    106
020 A000002 UBS SECURITIES
020 B000002 13-2932996
020 C000002     31
020 A000003 MERRILL LYNCH
020 B000003 13-5674085
020 C000003     26
020 A000004 SALOMON BROS
<PAGE>      PAGE  3
020 B000004 13-3082694
020 C000004      8
020 A000005 ROBERT FLEMING
020 B000005 13-3298866
020 C000005      7
020 A000006 W.I. CARR
020 B000006 13-2927466
020 C000006      6
020 A000007 NOMURA
020 B000007 13-2642206
020 C000007      6
020 A000008 ING BARING
020 B000008 00-0000000
020 C000008      6
020 A000009 KLEINWORT BENSON
020 B000009 13-2647786
020 C000009      5
020 A000010 CARNEGIE INTERNATIONAL
020 B000010 00-0000000
020 C000010      3
021  000000      250
022 A000001 LEHMAN BROTHERS
022 B000001 13-2518466
022 C000001   2177708
022 D000001     23898
022 A000002 GOLDMAN SACHS
022 B000002 13-5108880
022 C000002   1797345
022 D000002    101454
022 A000003 PRUDENTIAL BACHE
022 B000003 22-2347336
022 C000003    949282
022 D000003         0
022 A000004 MERRILL LYNCH
022 B000004 13-5674085
022 C000004    151025
022 D000004    171327
022 A000005 MORGAN STANLEY
022 B000005 13-5674085
022 C000005     98484
022 D000005    101481
022 A000006 SALOMON BROS
022 B000006 13-3082694
022 C000006     20358
022 D000006     80017
022 A000007 BEAR STEARNS
022 B000007 13-4946705
022 C000007     42325
022 D000007     35360
022 A000008 CS FIRST BOSTON
022 B000008 13-5659485
<PAGE>      PAGE  4
022 C000008     12118
022 D000008      7526
022 A000009 DEUTCHE BANK
022 B000009 13-2730828
022 C000009         0
022 D000009      7684
022 A000010 PAINE WEBBER
022 B000010 13-2638166
022 C000010         0
022 D000010      6905
023 C000000    5257792
023 D000000     542861
024  00AA00 N
026 A000000 Y
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 Y
037  00AA00 N
038  00AA00      0
039  00AA00 N
040  00AA00 Y
041  00AA00 Y
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 N
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
077 A000000 Y
077 B000000 Y
077 I000000 Y
077 P000000 Y
078  000000 N
080 A00AA00 NATIONAL UNION INSURANCE CO.
080 B00AA00 ICI MUTUAL
080 C00AA00    65000
<PAGE>      PAGE  5
081 A00AA00 Y
081 B00AA00 106
082 A00AA00 Y
082 B00AA00      100
083 A00AA00 N
083 B00AA00        0
084 A00AA00 N
084 B00AA00        0
085 A00AA00 Y
085 B00AA00 N
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
086 A01AA00      0
086 A02AA00      0
086 B01AA00      0
086 B02AA00      0
086 C01AA00      0
086 C02AA00      0
086 D01AA00      0
086 D02AA00      0
086 E01AA00      0
086 E02AA00      0
086 F01AA00      0
086 F02AA00      0
028 A010200      2634
028 A020200         0
028 A030200         0
028 A040200       357
028 B010200      2069
028 B020200         0
028 B030200         0
028 B040200      1312
028 C010200      2668
028 C020200         0
028 C030200         0
028 C040200       264
028 D010200      1813
028 D020200         0
028 D030200         0
028 D040200       228
028 E010200         0
<PAGE>      PAGE  6
028 E020200         0
028 E030200         0
028 E040200         0
028 F010200         0
028 F020200         0
028 F030200         0
028 F040200         0
028 G010200      9184
028 G020200         0
028 G030200         0
028 G040200      2161
028 H000200      3379
029  000200 Y
030 A000200    251
030 B000200  4.75
030 C000200  0.00
031 A000200     18
031 B000200      0
032  000200    233
033  000200      0
034  000200 Y
035  000200      8
036 A000200 N
036 B000200      0
042 A000200   0
042 B000200   0
042 C000200  76
042 D000200  24
042 E000200   0
042 F000200   0
042 G000200   0
042 H000200   0
043  000200     69
044  000200      0
045  000200 Y
046  000200 N
047  000200 Y
048  000200  0.000
048 A010200   500000
048 A020200 0.975
048 B010200        0
048 B020200 0.000
048 C010200        0
048 C020200 0.000
048 D010200        0
048 D020200 0.000
048 E010200        0
048 E020200 0.000
048 F010200        0
048 F020200 0.000
048 G010200        0
<PAGE>      PAGE  7
048 G020200 0.000
048 H010200        0
048 H020200 0.000
048 I010200        0
048 I020200 0.000
048 J010200        0
048 J020200 0.000
048 K010200   500000
048 K020200 0.925
049  000200 N
050  000200 N
051  000200 N
052  000200 N
053 A000200 Y
053 B000200 N
053 C000200 Y
055 A000200 Y
055 B000200 N
056  000200 Y
057  000200 N
058 A000200 N
059  000200 Y
060 A000200 Y
060 B000200 Y
061  000200     1000
062 A000200 N
062 B000200   0.0
062 C000200   0.0
062 D000200   0.0
062 E000200   0.0
062 F000200   0.0
062 G000200   0.0
062 H000200   0.0
062 I000200   0.0
062 J000200   0.0
062 K000200   0.0
062 L000200   0.0
062 M000200   0.0
062 N000200   0.0
062 O000200   0.0
062 P000200   0.0
062 Q000200   0.0
062 R000200   0.0
066 A000200 Y
066 B000200 N
066 C000200 N
066 D000200 N
066 E000200 Y
066 F000200 N
066 G000200 N
067  000200 N
<PAGE>      PAGE  8
068 A000200 N
068 B000200 Y
069  000200 N
070 A010200 Y
070 A020200 Y
070 B010200 Y
070 B020200 N
070 C010200 Y
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 Y
070 E020200 N
070 F010200 Y
070 F020200 N
070 G010200 Y
070 G020200 N
070 H010200 Y
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 Y
070 K010200 Y
070 K020200 N
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200      4862
071 B000200     78487
071 C000200     15273
071 D000200   29
072 A000200 12
072 B000200      226
072 C000200      175
072 D000200        0
072 E000200      -23
072 F000200      103
072 G000200        0
072 H000200        0
<PAGE>      PAGE  9
072 I000200       20
072 J000200       11
072 K000200        2
072 L000200        8
072 M000200        2
072 N000200       39
072 O000200        0
072 P000200        0
072 Q000200        0
072 R000200       25
072 S000200        4
072 T000200       79
072 U000200        3
072 V000200        0
072 W000200        4
072 X000200      300
072 Y000200        3
072 Z000200       81
072AA000200       87
072BB000200        0
072CC010200      810
072CC020200        0
072DD010200       12
072DD020200        7
072EE000200        0
073 A010200   0.0300
073 A020200   0.0100
073 B000200   0.0000
073 C000200   0.0000
074 A000200        3
074 B000200        0
074 C000200     2434
074 D000200     5068
074 E000200        0
074 F000200    17866
074 G000200        0
074 H000200        0
074 I000200       36
074 J000200        0
074 K000200        0
074 L000200      419
074 M000200       73
074 N000200    25899
074 O000200       86
074 P000200       11
074 Q000200        0
074 R010200        0
074 R020200        0
074 R030200       22
074 R040200      189
074 S000200        0
<PAGE>      PAGE  10
074 T000200    25591
074 U010200      748
074 U020200      856
074 V010200    15.98
074 V020200    15.94
074 W000200   0.0000
074 X000200     2450
074 Y000200     2860
075 A000200        0
075 B000200    17780
076  000200     0.00
028 A010300         0
028 A020300         0
028 A030300         0
028 A040300         0
028 B010300         0
028 B020300         0
028 B030300         0
028 B040300         0
028 C010300      7719
028 C020300         0
028 C030300         0
028 C040300       238
028 D010300      9554
028 D020300         0
028 D030300         0
028 D040300      1833
028 E010300      9525
028 E020300         0
028 E030300         0
028 E040300      1190
028 F010300      7908
028 F020300         0
028 F030300         0
028 F040300      1526
028 G010300     34706
028 G020300         0
028 G030300         0
028 G040300      4787
028 H000300     15438
029  000300 Y
030 A000300    752
030 B000300  4.75
030 C000300  0.00
031 A000300     66
031 B000300      0
032  000300    686
033  000300      0
034  000300 Y
035  000300     10
036 A000300 N
<PAGE>      PAGE  11
036 B000300      0
042 A000300   0
042 B000300   0
042 C000300  77
042 D000300  23
042 E000300   0
042 F000300   0
042 G000300   0
042 H000300   0
043  000300    202
044  000300      0
045  000300 Y
046  000300 N
047  000300 Y
048  000300  0.000
048 A010300   500000
048 A020300 0.975
048 B010300        0
048 B020300 0.000
048 C010300        0
048 C020300 0.000
048 D010300        0
048 D020300 0.000
048 E010300        0
048 E020300 0.000
048 F010300        0
048 F020300 0.000
048 G010300        0
048 G020300 0.000
048 H010300        0
048 H020300 0.000
048 I010300        0
048 I020300 0.000
048 J010300        0
048 J020300 0.000
048 K010300   500000
048 K020300 0.925
049  000300 N
050  000300 N
051  000300 N
052  000300 N
053 A000300 N
055 A000300 Y
055 B000300 N
056  000300 Y
057  000300 N
058 A000300 N
059  000300 Y
060 A000300 Y
060 B000300 Y
061  000300     1000
<PAGE>      PAGE  12
062 A000300 N
062 B000300   0.0
062 C000300   0.0
062 D000300   0.0
062 E000300   0.0
062 F000300   0.0
062 G000300   0.0
062 H000300   0.0
062 I000300   0.0
062 J000300   0.0
062 K000300   0.0
062 L000300   0.0
062 M000300   0.0
062 N000300   0.0
062 O000300   0.0
062 P000300   0.0
062 Q000300   0.0
062 R000300   0.0
066 A000300 Y
066 B000300 N
066 C000300 Y
066 D000300 N
066 E000300 N
066 F000300 N
066 G000300 N
067  000300 N
068 A000300 N
068 B000300 Y
069  000300 N
070 A010300 Y
070 A020300 Y
070 B010300 Y
070 B020300 N
070 C010300 Y
070 C020300 N
070 D010300 Y
070 D020300 N
070 E010300 Y
070 E020300 N
070 F010300 Y
070 F020300 N
070 G010300 Y
070 G020300 N
070 H010300 Y
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 Y
070 J020300 Y
070 K010300 Y
070 K020300 N
<PAGE>      PAGE  13
070 L010300 Y
070 L020300 Y
070 M010300 Y
070 M020300 Y
070 N010300 Y
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300     26480
071 B000300      5021
071 C000300     47708
071 D000300   11
072 A000300 12
072 B000300      242
072 C000300      652
072 D000300        0
072 E000300      -79
072 F000300      313
072 G000300        0
072 H000300        0
072 I000300       59
072 J000300       48
072 K000300        5
072 L000300       23
072 M000300        2
072 N000300       66
072 O000300        0
072 P000300        0
072 Q000300        0
072 R000300       37
072 S000300        4
072 T000300      236
072 U000300        3
072 V000300        0
072 W000300       23
072 X000300      819
072 Y000300        0
072 Z000300       -4
072AA000300      335
072BB000300        0
072CC010300     5452
072CC020300        0
072DD010300        7
072DD020300        0
072EE000300        0
<PAGE>      PAGE  14
073 A010300   0.0100
073 A020300   0.0000
073 B000300   0.0000
073 C000300   0.0000
074 A000300        9
074 B000300        0
074 C000300     9875
074 D000300        0
074 E000300        0
074 F000300    79490
074 G000300        0
074 H000300        0
074 I000300        0
074 J000300        0
074 K000300        0
074 L000300     1432
074 M000300       82
074 N000300    90888
074 O000300     5807
074 P000300       37
074 Q000300        0
074 R010300        0
074 R020300        0
074 R030300        0
074 R040300      297
074 S000300        0
074 T000300    84747
074 U010300     2483
074 U020300     2597
074 V010300    16.71
074 V020300    16.66
074 W000300   0.0000
074 X000300     6558
074 Y000300        0
075 A000300        0
075 B000300    54042
076  000300     0.00
028 A010400      6664
028 A020400         0
028 A030400         0
028 A040400      2823
028 B010400      5005
028 B020400         0
028 B030400         0
028 B040400      1372
028 C010400      5356
028 C020400         0
028 C030400         0
028 C040400      1043
028 D010400      5538
028 D020400         0
<PAGE>      PAGE  15
028 D030400         0
028 D040400      2546
028 E010400         0
028 E020400         0
028 E030400         0
028 E040400         0
028 F010400         0
028 F020400         0
028 F030400         0
028 F040400         0
028 G010400     22563
028 G020400         0
028 G030400         0
028 G040400      7784
028 H000400     10788
029  000400 Y
030 A000400    309
030 B000400  4.75
030 C000400  0.00
031 A000400     29
031 B000400      0
032  000400    280
033  000400      0
034  000400 Y
035  000400      5
036 A000400 N
036 B000400      0
042 A000400   0
042 B000400   0
042 C000400  77
042 D000400  23
042 E000400   0
042 F000400   0
042 G000400   0
042 H000400   0
043  000400     91
044  000400      0
045  000400 Y
046  000400 N
047  000400 Y
048  000400  1.250
048 A010400        0
048 A020400 0.000
048 B010400        0
048 B020400 0.000
048 C010400        0
048 C020400 0.000
048 D010400        0
048 D020400 0.000
048 E010400        0
048 E020400 0.000
<PAGE>      PAGE  16
048 F010400        0
048 F020400 0.000
048 G010400        0
048 G020400 0.000
048 H010400        0
048 H020400 0.000
048 I010400        0
048 I020400 0.000
048 J010400        0
048 J020400 0.000
048 K010400        0
048 K020400 0.000
049  000400 N
050  000400 N
051  000400 N
052  000400 N
053 A000400 Y
053 B000400 Y
053 C000400 Y
055 A000400 Y
055 B000400 N
056  000400 Y
057  000400 N
058 A000400 N
059  000400 Y
060 A000400 Y
060 B000400 Y
061  000400     1000
062 A000400 N
062 B000400   0.0
062 C000400   0.0
062 D000400   0.0
062 E000400   0.0
062 F000400   0.0
062 G000400   0.0
062 H000400   0.0
062 I000400   0.0
062 J000400   0.0
062 K000400   0.0
062 L000400   0.0
062 M000400   0.0
062 N000400   0.0
062 O000400   0.0
062 P000400   0.0
062 Q000400   0.0
062 R000400   0.0
066 A000400 Y
066 B000400 N
066 C000400 Y
066 D000400 N
066 E000400 N
<PAGE>      PAGE  17
066 F000400 N
066 G000400 N
067  000400 N
068 A000400 N
068 B000400 Y
069  000400 N
070 A010400 Y
070 A020400 Y
070 B010400 Y
070 B020400 N
070 C010400 Y
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 Y
070 E020400 N
070 F010400 Y
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 Y
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 Y
070 K010400 Y
070 K020400 N
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 Y
070 N010400 Y
070 N020400 N
070 O010400 Y
070 O020400 N
070 P010400 Y
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400     42307
071 B000400      4493
071 C000400     21989
071 D000400   22
072 A000400 12
072 B000400       99
072 C000400      344
072 D000400        0
072 E000400      -26
<PAGE>      PAGE  18
072 F000400      182
072 G000400        0
072 H000400        0
072 I000400       27
072 J000400       34
072 K000400        3
072 L000400       17
072 M000400        2
072 N000400       47
072 O000400        0
072 P000400        0
072 Q000400        0
072 R000400       24
072 S000400        4
072 T000400      108
072 U000400        3
072 V000400        0
072 W000400       13
072 X000400      464
072 Y000400       60
072 Z000400       13
072AA000400      503
072BB000400        0
072CC010400     1456
072CC020400        0
072DD010400        9
072DD020400        3
072EE000400        0
073 A010400   0.0200
073 A020400   0.0100
073 B000400   0.0000
073 C000400   0.0000
074 A000400       10
074 B000400        0
074 C000400     2208
074 D000400        0
074 E000400        0
074 F000400    39430
074 G000400        0
074 H000400        0
074 I000400        0
074 J000400        0
074 K000400        0
074 L000400      236
074 M000400       27
074 N000400    41911
074 O000400     1925
074 P000400       18
074 Q000400        0
074 R010400        0
074 R020400        0
<PAGE>      PAGE  19
074 R030400        0
074 R040400       86
074 S000400        0
074 T000400    39882
074 U010400     1202
074 U020400     1215
074 V010400    16.52
074 V020400    16.47
074 W000400   0.0000
074 X000400     4506
074 Y000400        0
075 A000400        0
075 B000400    24397
076  000400     0.00
SIGNATURE   JAMES O.YOST                                 
TITLE       ASSISTANT TREASURER 
 


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 041
   <NAME> MFS F & C EMERGING MARKETS EQUITY FUND CLASS A
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         40179711
<INVESTMENTS-AT-VALUE>                        41638635
<RECEIVABLES>                                   234759
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             37419
<TOTAL-ASSETS>                                41910813
<PAYABLE-FOR-SECURITIES>                       1925111
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       104038
<TOTAL-LIABILITIES>                            2029149
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      37921871
<SHARES-COMMON-STOCK>                          1202479
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                         (23100)
<ACCUMULATED-NET-GAINS>                         526811
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1456082
<NET-ASSETS>                                  39881664
<DIVIDEND-INCOME>                               343802
<INTEREST-INCOME>                                98540
<OTHER-INCOME>                                 (25682)
<EXPENSES-NET>                                (403658)
<NET-INVESTMENT-INCOME>                          13002
<REALIZED-GAINS-CURRENT>                        502931
<APPREC-INCREASE-CURRENT>                      1456082
<NET-CHANGE-FROM-OPS>                          1972015
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (8868)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        1490414
<NUMBER-OF-SHARES-REDEEMED>                   (288449)
<SHARES-REINVESTED>                                514
<NET-CHANGE-IN-ASSETS>                        39881664
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           182020
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 463731
<AVERAGE-NET-ASSETS>                          24396744
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                   0.04
<PER-SHARE-GAIN-APPREC>                           1.50
<PER-SHARE-DIVIDEND>                            (0.02)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              16.52
<EXPENSE-RATIO>                                   2.48
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 042
   <NAME> MFS F & C EMERGING MARKETS EQUITY FUND CLASS B
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         40179711
<INVESTMENTS-AT-VALUE>                        41638635
<RECEIVABLES>                                   234759
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             37419
<TOTAL-ASSETS>                                41910813
<PAYABLE-FOR-SECURITIES>                       1925111
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       104038
<TOTAL-LIABILITIES>                            2029149
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      37921871
<SHARES-COMMON-STOCK>                          1215438
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                         (23100)
<ACCUMULATED-NET-GAINS>                         526811
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1456082
<NET-ASSETS>                                  39881664
<DIVIDEND-INCOME>                               343802
<INTEREST-INCOME>                                98540
<OTHER-INCOME>                                 (25682)
<EXPENSES-NET>                                (403658)
<NET-INVESTMENT-INCOME>                          13002
<REALIZED-GAINS-CURRENT>                        502931
<APPREC-INCREASE-CURRENT>                      1456082
<NET-CHANGE-FROM-OPS>                          1972015
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                           (3354)
<NUMBER-OF-SHARES-SOLD>                        1451675
<NUMBER-OF-SHARES-REDEEMED>                   (236505)
<SHARES-REINVESTED>                                268
<NET-CHANGE-IN-ASSETS>                        39881664
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           182020
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 463731
<AVERAGE-NET-ASSETS>                          24396744
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                   0.02
<PER-SHARE-GAIN-APPREC>                           1.50
<PER-SHARE-DIVIDEND>                              0.00
<PER-SHARE-DISTRIBUTIONS>                       (0.01)
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              16.47
<EXPENSE-RATIO>                                   3.06
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 031
   <NAME> MFS F & C INTERNATIONAL GROWTH FUND CLASS A
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         83884874
<INVESTMENTS-AT-VALUE>                        89364848
<RECEIVABLES>                                  1431800
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             91307
<TOTAL-ASSETS>                                90887955
<PAYABLE-FOR-SECURITIES>                       5807267
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       333904
<TOTAL-LIABILITIES>                            6141171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      78970863
<SHARES-COMMON-STOCK>                          2482504
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                        (220228)
<ACCUMULATED-NET-GAINS>                         544069
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       5452080
<NET-ASSETS>                                  84746784
<DIVIDEND-INCOME>                               652224
<INTEREST-INCOME>                               242105
<OTHER-INCOME>                                 (78963)
<EXPENSES-NET>                                (819636)
<NET-INVESTMENT-INCOME>                         (4270)
<REALIZED-GAINS-CURRENT>                        334764
<APPREC-INCREASE-CURRENT>                      5452080
<NET-CHANGE-FROM-OPS>                          5782574
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (6653)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        2712981
<NUMBER-OF-SHARES-REDEEMED>                   (230844)
<SHARES-REINVESTED>                                367
<NET-CHANGE-IN-ASSETS>                        84746784
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           313570
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 819636
<AVERAGE-NET-ASSETS>                          17780310
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                   0.03
<PER-SHARE-GAIN-APPREC>                           1.69
<PER-SHARE-DIVIDEND>                            (0.01)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              16.71
<EXPENSE-RATIO>                                   2.24
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 032
   <NAME> MFS F & C INTERNATIONAL GROWTH FUND CLASS B
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         83884874
<INVESTMENTS-AT-VALUE>                        89364848
<RECEIVABLES>                                  1431800
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             91307
<TOTAL-ASSETS>                                90887955
<PAYABLE-FOR-SECURITIES>                       5807267
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       333904
<TOTAL-LIABILITIES>                            6141171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      78970863
<SHARES-COMMON-STOCK>                          2597027
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                        (220228)
<ACCUMULATED-NET-GAINS>                         544069
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       5452080
<NET-ASSETS>                                  84746784
<DIVIDEND-INCOME>                               652224
<INTEREST-INCOME>                               242105
<OTHER-INCOME>                                 (78963)
<EXPENSES-NET>                                (819636)
<NET-INVESTMENT-INCOME>                         (4270)
<REALIZED-GAINS-CURRENT>                        334764
<APPREC-INCREASE-CURRENT>                      5452080
<NET-CHANGE-FROM-OPS>                          5782574
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (6653)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        2695977
<NUMBER-OF-SHARES-REDEEMED>                    (98950)
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                        84746784
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           313570
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 819636
<AVERAGE-NET-ASSETS>                          17780310
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                 (0.03)
<PER-SHARE-GAIN-APPREC>                           1.69
<PER-SHARE-DIVIDEND>                              0.00
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              16.66
<EXPENSE-RATIO>                                   2.85
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 021
   <NAME> MFS F & C INTERNATIONAL GROWTH & INCOME FUND CLASS A
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         24491650
<INVESTMENTS-AT-VALUE>                        25403790
<RECEIVABLES>                                   418122
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             76604
<TOTAL-ASSETS>                                25898516
<PAYABLE-FOR-SECURITIES>                         86024
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       221619
<TOTAL-LIABILITIES>                             307643
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      24632031
<SHARES-COMMON-STOCK>                           747922
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                       123689
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          24924
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        810229
<NET-ASSETS>                                  25590873
<DIVIDEND-INCOME>                               174811
<INTEREST-INCOME>                               225928
<OTHER-INCOME>                                 (22627)
<EXPENSES-NET>                                (297047)
<NET-INVESTMENT-INCOME>                          81065
<REALIZED-GAINS-CURRENT>                         87073
<APPREC-INCREASE-CURRENT>                       810229
<NET-CHANGE-FROM-OPS>                           978367
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (12226)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         793963
<NUMBER-OF-SHARES-REDEEMED>                    (46699)
<SHARES-REINVESTED>                                658
<NET-CHANGE-IN-ASSETS>                        25590873
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           103167
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 300171
<AVERAGE-NET-ASSETS>                          17780310
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                   0.11
<PER-SHARE-GAIN-APPREC>                           0.90
<PER-SHARE-DIVIDEND>                            (0.03)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              15.98
<EXPENSE-RATIO>                                   2.52
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000783740
<NAME> MFS SERIES TRUST X
<SERIES>
   <NUMBER> 022
   <NAME> MFS F & C INTERNATIONAL GROWTH & INCOME FUND CLASS B
<MULTIPLIER> 1
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1996
<PERIOD-START>                             JUN-01-1995
<PERIOD-END>                               MAY-31-1996
<INVESTMENTS-AT-COST>                         24491650
<INVESTMENTS-AT-VALUE>                        25403790
<RECEIVABLES>                                    18122
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                             76604
<TOTAL-ASSETS>                                25898516
<PAYABLE-FOR-SECURITIES>                         86024
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       221619
<TOTAL-LIABILITIES>                             307643
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      24632031
<SHARES-COMMON-STOCK>                           855573
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                       123689
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          24924
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        810229
<NET-ASSETS>                                  25590873
<DIVIDEND-INCOME>                               174811
<INTEREST-INCOME>                               225928
<OTHER-INCOME>                                 (22627)
<EXPENSES-NET>                                (297047)
<NET-INVESTMENT-INCOME>                          81065
<REALIZED-GAINS-CURRENT>                         87073
<APPREC-INCREASE-CURRENT>                       810229
<NET-CHANGE-FROM-OPS>                           978367
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       (7299)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        1009636
<NUMBER-OF-SHARES-REDEEMED>                   (154421)
<SHARES-REINVESTED>                                358
<NET-CHANGE-IN-ASSETS>                        25590873
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           103167
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 300171
<AVERAGE-NET-ASSETS>                          17780310
<PER-SHARE-NAV-BEGIN>                            15.00
<PER-SHARE-NII>                                   0.05
<PER-SHARE-GAIN-APPREC>                           0.90
<PER-SHARE-DIVIDEND>                            (0.01)
<PER-SHARE-DISTRIBUTIONS>                         0.00
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              15.94
<EXPENSE-RATIO>                                   3.11
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                              0.00
        


</TABLE>


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission