<PAGE> PAGE 1
000 A000000 06/30/98
000 C000000 0001022619
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 NATIONWIDE ASSET ALLOCATION TRUST
001 B000000 811-07805
001 C000000 6142497869
002 A000000 THREE NATIONWIDE PLAZA 3-26-04
002 B000000 COLUMBUS
002 C000000 OH
002 D010000 43216
003 000000 Y
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 5
007 C010100 1
007 C020100 AGGRESSIVE PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 MODERATELY AGGRESSIVE PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 MODERATE PORTFOLIO
007 C030300 N
007 C010400 4
007 C020400 MODERATELY CONSERVATIVE PORTFOLIO
007 C030400 N
007 C010500 5
007 C020500 CONSERVATIVE PORTFOLIO
007 C030500 N
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A00AA01 NATIONWIDE ADVISORY SERVICES, INC.
008 B00AA01 A
008 C00AA01 801-125000
008 D01AA01 COLUMBUS
008 D02AA01 OH
008 D03AA01 43215
010 A00AA01 NATIONWIDE ADVISORY SERVICES, INC.
010 B00AA01 801-125000
010 C01AA01 COLUMBUS
<PAGE> PAGE 2
010 C02AA01 OH
010 C03AA01 43215
012 A00AA01 NATIONWIDE INVESTORS SERVICES, INC.
012 B00AA01 84-9999999
012 C01AA01 COLUMBUS
012 C02AA01 OH
012 C03AA01 43216
013 A00AA01 PRICE WATERHOUSE LLP
013 B01AA01 COLUMBUS
013 B02AA01 OH
013 B03AA01 43054
015 A00AA01 THE FIFTH THIRD BANK
015 B00AA01 C
015 C01AA01 CINCINNATI
015 C02AA01 OH
015 C03AA01 45263
015 E01AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 29
019 C00AA00 NATIONWIDE
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 FIFTH THIRD
022 B000001 31-0854433
022 C000001 10754
022 D000001 1263
022 C000002 0
022 D000002 0
022 C000003 0
022 D000003 0
022 C000004 0
022 D000004 0
022 C000005 0
022 D000005 0
022 C000006 0
022 D000006 0
022 C000007 0
022 D000007 0
022 C000008 0
022 D000008 0
022 C000009 0
<PAGE> PAGE 3
022 D000009 0
022 C000010 0
022 D000010 0
023 C000000 10754
023 D000000 1263
024 00AA00 N
026 A000000 N
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
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
041 00AA00 N
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
045 00AA00 Y
046 00AA00 N
047 00AA00 Y
048 00AA00 0.500
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
<PAGE> PAGE 4
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
049 00AA00 N
050 00AA00 N
051 00AA00 N
052 00AA00 N
053 A00AA00 Y
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 Y
054 E00AA00 Y
054 F00AA00 Y
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 Y
054 J00AA00 Y
054 K00AA00 Y
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 Y
054 O00AA00 Y
055 A00AA00 N
055 B00AA00 N
056 00AA00 Y
057 00AA00 N
058 A00AA00 Y
058 B00AA00 Y
058 C00AA00 N
058 D00AA00 N
058 E00AA00 N
059 00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061 00AA00 0
062 A00AA00 N
<PAGE> PAGE 5
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 0.0
062 E00AA00 0.0
062 F00AA00 0.0
062 G00AA00 0.0
062 H00AA00 0.0
062 I00AA00 0.0
062 J00AA00 0.0
062 K00AA00 0.0
062 L00AA00 0.0
062 M00AA00 0.0
062 N00AA00 0.0
062 O00AA00 0.0
062 P00AA00 0.0
062 Q00AA00 0.0
062 R00AA00 0.0
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
070 A01AA00 N
070 A02AA00 N
070 B01AA00 N
070 B02AA00 N
070 C01AA00 N
070 C02AA00 N
070 D01AA00 N
070 D02AA00 N
070 E01AA00 N
070 E02AA00 N
070 F01AA00 N
070 F02AA00 N
070 G01AA00 N
070 G02AA00 N
070 H01AA00 N
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 N
070 J02AA00 N
070 K01AA00 Y
070 K02AA00 Y
070 L01AA00 N
070 L02AA00 N
070 M01AA00 N
070 M02AA00 N
070 N01AA00 N
070 N02AA00 N
070 O01AA00 N
<PAGE> PAGE 6
070 O02AA00 N
070 P01AA00 N
070 P02AA00 N
070 Q01AA00 N
070 Q02AA00 N
070 R01AA00 N
070 R02AA00 N
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
078 000000 N
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
028 A010100 426
028 A020100 0
028 A030100 0
028 A040100 0
028 B010100 755
028 B020100 0
028 B030100 0
028 B040100 34
<PAGE> PAGE 7
028 C010100 687
028 C020100 1
028 C030100 0
028 C040100 12
028 D010100 1342
028 D020100 0
028 D030100 0
028 D040100 7
028 E010100 757
028 E020100 0
028 E030100 0
028 E040100 59
028 F010100 465
028 F020100 0
028 F030100 0
028 F040100 6
028 G010100 4432
028 G020100 1
028 G030100 0
028 G040100 118
028 H000100 0
071 A000100 4599
071 B000100 275
071 C000100 2539
071 D000100 11
072 A000100 6
072 B000100 0
072 C000100 12
072 D000100 0
072 E000100 0
072 F000100 5
072 G000100 0
072 H000100 0
072 I000100 0
072 J000100 0
072 K000100 0
072 L000100 0
072 M000100 0
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 0
072 S000100 0
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 0
072 X000100 5
072 Y000100 0
072 Z000100 7
<PAGE> PAGE 8
072AA000100 17
072BB000100 0
072CC010100 130
072CC020100 0
072DD010100 1
072DD020100 0
072EE000100 0
073 A010100 0.0100
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 0
074 B000100 0
074 C000100 0
074 D000100 0
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 4469
074 J000100 0
074 K000100 0
074 L000100 16
074 M000100 0
074 N000100 4485
074 O000100 15
074 P000100 0
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 2
074 S000100 0
074 T000100 4468
074 U010100 389
074 U020100 0
074 V010100 11.50
074 V020100 0.00
074 W000100 0.0000
074 X000100 5
074 Y000100 0
075 A000100 0
075 B000100 2343
076 000100 0.00
028 A010200 141
028 A020200 0
028 A030200 0
028 A040200 2
028 B010200 673
028 B020200 0
028 B030200 0
<PAGE> PAGE 9
028 B040200 0
028 C010200 464
028 C020200 2
028 C030200 0
028 C040200 8
028 D010200 622
028 D020200 0
028 D030200 0
028 D040200 13
028 E010200 355
028 E020200 0
028 E030200 0
028 E040200 71
028 F010200 260
028 F020200 0
028 F030200 0
028 F040200 51
028 G010200 2515
028 G020200 2
028 G030200 0
028 G040200 145
028 H000200 0
071 A000200 2328
071 B000200 191
071 C000200 1336
071 D000200 14
072 A000200 6
072 B000200 4
072 C000200 10
072 D000200 0
072 E000200 0
072 F000200 3
072 G000200 0
072 H000200 0
072 I000200 0
072 J000200 0
072 K000200 0
072 L000200 0
072 M000200 0
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 0
072 S000200 0
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 0
072 X000200 3
072 Y000200 0
<PAGE> PAGE 10
072 Z000200 11
072AA000200 14
072BB000200 0
072CC010200 62
072CC020200 0
072DD010200 2
072DD020200 0
072EE000200 0
073 A010200 0.0200
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 0
074 B000200 0
074 C000200 0
074 D000200 0
074 E000200 0
074 F000200 0
074 G000200 0
074 H000200 0
074 I000200 2458
074 J000200 0
074 K000200 0
074 L000200 5
074 M000200 0
074 N000200 2463
074 O000200 5
074 P000200 0
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 1
074 S000200 0
074 T000200 2457
074 U010200 218
074 U020200 0
074 V010200 11.26
074 V020200 0.00
074 W000200 0.0000
074 X000200 5
074 Y000200 0
075 A000200 0
075 B000200 1388
076 000200 0.00
028 A010300 63
028 A020300 0
028 A030300 0
028 A040300 0
028 B010300 121
028 B020300 0
<PAGE> PAGE 11
028 B030300 0
028 B040300 5
028 C010300 90
028 C020300 1
028 C030300 0
028 C040300 5
028 D010300 684
028 D020300 0
028 D030300 0
028 D040300 4
028 E010300 401
028 E020300 0
028 E030300 0
028 E040300 7
028 F010300 174
028 F020300 0
028 F030300 0
028 F040300 72
028 G010300 1534
028 G020300 1
028 G030300 0
028 G040300 93
028 H000300 0
071 A000300 1409
071 B000300 109
071 C000300 844
071 D000300 17
072 A000300 6
072 B000300 2
072 C000300 8
072 D000300 0
072 E000300 0
072 F000300 2
072 G000300 0
072 H000300 0
072 I000300 0
072 J000300 0
072 K000300 0
072 L000300 0
072 M000300 0
072 N000300 0
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 0
072 S000300 0
072 T000300 0
072 U000300 0
072 V000300 0
072 W000300 0
072 X000300 2
<PAGE> PAGE 12
072 Y000300 0
072 Z000300 8
072AA000300 6
072BB000300 0
072CC010300 14
072CC020300 0
072DD010300 1
072DD020300 0
072EE000300 0
073 A010300 0.0300
073 A020300 0.0000
073 B000300 0.0000
073 C000300 0.0000
074 A000300 0
074 B000300 0
074 C000300 0
074 D000300 0
074 E000300 0
074 F000300 0
074 G000300 0
074 H000300 0
074 I000300 1469
074 J000300 0
074 K000300 0
074 L000300 3
074 M000300 0
074 N000300 1472
074 O000300 3
074 P000300 0
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 0
074 S000300 0
074 T000300 1469
074 U010300 132
074 U020300 0
074 V010300 11.15
074 V020300 0.00
074 W000300 0.0000
074 X000300 5
074 Y000300 0
075 A000300 0
075 B000300 647
076 000300 0.00
028 A010400 24
028 A020400 0
028 A030400 0
028 A040400 0
028 B010400 42
<PAGE> PAGE 13
028 B020400 0
028 B030400 0
028 B040400 3
028 C010400 125
028 C020400 1
028 C030400 0
028 C040400 6
028 D010400 258
028 D020400 0
028 D030400 0
028 D040400 51
028 E010400 253
028 E020400 0
028 E030400 0
028 E040400 26
028 F010400 143
028 F020400 0
028 F030400 0
028 F040400 24
028 G010400 845
028 G020400 1
028 G030400 0
028 G040400 110
028 H000400 0
071 A000400 683
071 B000400 92
071 C000400 272
071 D000400 34
072 A000400 6
072 B000400 2
072 C000400 5
072 D000400 0
072 E000400 0
072 F000400 1
072 G000400 0
072 H000400 0
072 I000400 0
072 J000400 0
072 K000400 0
072 L000400 0
072 M000400 0
072 N000400 0
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 0
072 S000400 0
072 T000400 0
072 U000400 0
072 V000400 0
072 W000400 0
<PAGE> PAGE 14
072 X000400 1
072 Y000400 0
072 Z000400 6
072AA000400 3
072BB000400 0
072CC010400 6
072CC020400 0
072DD010400 1
072DD020400 0
072EE000400 0
073 A010400 0.0400
073 A020400 0.0000
073 B000400 0.0000
073 C000400 0.0000
074 A000400 0
074 B000400 0
074 C000400 0
074 D000400 0
074 E000400 0
074 F000400 0
074 G000400 0
074 H000400 0
074 I000400 748
074 J000400 0
074 K000400 0
074 L000400 1
074 M000400 0
074 N000400 749
074 O000400 0
074 P000400 0
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 0
074 S000400 0
074 T000400 749
074 U010400 69
074 U020400 0
074 V010400 10.91
074 V020400 0.00
074 W000400 0.0000
074 X000400 5
074 Y000400 0
075 A000400 0
075 B000400 310
076 000400 0.00
028 A010500 21
028 A020500 0
028 A030500 0
028 A040500 0
<PAGE> PAGE 15
028 B010500 205
028 B020500 0
028 B030500 0
028 B040500 59
028 C010500 99
028 C020500 1
028 C030500 0
028 C040500 38
028 D010500 354
028 D020500 0
028 D030500 0
028 D040500 75
028 E010500 191
028 E020500 0
028 E030500 0
028 E040500 71
028 F010500 115
028 F020500 0
028 F030500 0
028 F040500 296
028 G010500 985
028 G020500 1
028 G030500 0
028 G040500 539
028 H000500 0
071 A000500 750
071 B000500 413
071 C000500 255
071 D000500 162
072 A000500 6
072 B000500 2
072 C000500 5
072 D000500 0
072 E000500 0
072 F000500 1
072 G000500 0
072 H000500 0
072 I000500 0
072 J000500 0
072 K000500 0
072 L000500 0
072 M000500 0
072 N000500 0
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 0
072 S000500 0
072 T000500 0
072 U000500 0
072 V000500 0
<PAGE> PAGE 16
072 W000500 0
072 X000500 1
072 Y000500 0
072 Z000500 6
072AA000500 6
072BB000500 0
072CC010500 3
072CC020500 0
072DD010500 1
072DD020500 0
072EE000500 0
073 A010500 0.0600
073 A020500 0.0000
073 B000500 0.0000
073 C000500 0.0000
074 A000500 0
074 B000500 0
074 C000500 0
074 D000500 0
074 E000500 0
074 F000500 0
074 G000500 0
074 H000500 0
074 I000500 460
074 J000500 0
074 K000500 0
074 L000500 15
074 M000500 0
074 N000500 475
074 O000500 15
074 P000500 0
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 0
074 S000500 0
074 T000500 460
074 U010500 43
074 U020500 0
074 V010500 10.64
074 V020500 0.00
074 W000500 0.0000
074 X000500 5
074 Y000500 0
075 A000500 0
075 B000500 318
076 000500 0.00
SIGNATURE CHRISTOPHER CRAY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001022619
<NAME> NATIONWIDE ASSET ALLOCATION TRUST
<SERIES>
<NUMBER> 1
<NAME> AGGRESSIVE PORTFOLIO
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-20-1998
<PERIOD-END> JUN-30-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 4339531
<INVESTMENTS-AT-VALUE> 4469289
<RECEIVABLES> 15564
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 4484853
<PAYABLE-FOR-SECURITIES> 15563
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1694
<TOTAL-LIABILITIES> 17257
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4314766
<SHARES-COMMON-STOCK> 388553
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 6021
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 17051
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 129758
<NET-ASSETS> 4467596
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 12073
<OTHER-INCOME> 0
<EXPENSES-NET> 5199
<NET-INVESTMENT-INCOME> 6874
<REALIZED-GAINS-CURRENT> 17051
<APPREC-INCREASE-CURRENT> 129758
<NET-CHANGE-FROM-OPS> 153683
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 853
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 399086
<NUMBER-OF-SHARES-REDEEMED> 10608
<SHARES-REINVESTED> 75
<NET-CHANGE-IN-ASSETS> 4467596
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5199
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5199
<AVERAGE-NET-ASSETS> 2343395
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .02
<PER-SHARE-GAIN-APPREC> 1.49
<PER-SHARE-DIVIDEND> .01
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 11.50
<EXPENSE-RATIO> .50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001022619
<NAME> NATIONWIDE ASSET ALLOCATION TRUST
<SERIES>
<NUMBER> 2
<NAME> MODERATELY AGGRESSIVE PORTFOLIO
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-20-1998
<PERIOD-END> JUN-30-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 2395903
<INVESTMENTS-AT-VALUE> 2457778
<RECEIVABLES> 5163
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2462941
<PAYABLE-FOR-SECURITIES> 5123
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 951
<TOTAL-LIABILITIES> 6074
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2372415
<SHARES-COMMON-STOCK> 218139
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 8610
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 13967
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 61875
<NET-ASSETS> 2456867
<DIVIDEND-INCOME> 10492
<INTEREST-INCOME> 3578
<OTHER-INCOME> 0
<EXPENSES-NET> 3077
<NET-INVESTMENT-INCOME> 10993
<REALIZED-GAINS-CURRENT> 13967
<APPREC-INCREASE-CURRENT> 61875
<NET-CHANGE-FROM-OPS> 86835
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2383
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 230995
<NUMBER-OF-SHARES-REDEEMED> 13070
<SHARES-REINVESTED> 214
<NET-CHANGE-IN-ASSETS> 2456867
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3077
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3077
<AVERAGE-NET-ASSETS> 1388350
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .06
<PER-SHARE-GAIN-APPREC> 1.22
<PER-SHARE-DIVIDEND> .02
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 11.26
<EXPENSE-RATIO> .50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001022619
<NAME> NATIONWIDE ASSET ALLOCATION TRUST
<SERIES>
<NUMBER> 3
<NAME> MODERATE PORTFOLIO
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-20-1998
<PERIOD-END> JUN-30-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1455075
<INVESTMENTS-AT-VALUE> 1469288
<RECEIVABLES> 3021
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1472309
<PAYABLE-FOR-SECURITIES> 2998
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 566
<TOTAL-LIABILITIES> 3564
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1441223
<SHARES-COMMON-STOCK> 131702
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 7588
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 5721
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 14213
<NET-ASSETS> 1468745
<DIVIDEND-INCOME> 8112
<INTEREST-INCOME> 1669
<OTHER-INCOME> 0
<EXPENSES-NET> 1436
<NET-INVESTMENT-INCOME> 8345
<REALIZED-GAINS-CURRENT> 5721
<APPREC-INCREASE-CURRENT> 14213
<NET-CHANGE-FROM-OPS> 28279
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 757
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 140175
<NUMBER-OF-SHARES-REDEEMED> 8542
<SHARES-REINVESTED> 69
<NET-CHANGE-IN-ASSETS> 1468745
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1436
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1436
<AVERAGE-NET-ASSETS> 647024
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .09
<PER-SHARE-GAIN-APPREC> 1.09
<PER-SHARE-DIVIDEND> .03
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 11.15
<EXPENSE-RATIO> .50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001022619
<NAME> NATIONWIDE ASSET ALLOCATION TRUST
<SERIES>
<NUMBER> 4
<NAME> MODERATELY CONSERVATIVE PORTFOLIO
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-20-1998
<PERIOD-END> JUN-30-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 742659
<INVESTMENTS-AT-VALUE> 748318
<RECEIVABLES> 1014
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 749332
<PAYABLE-FOR-SECURITIES> 105
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 265
<TOTAL-LIABILITIES> 370
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 734986
<SHARES-COMMON-STOCK> 68660
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 5151
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3166
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5659
<NET-ASSETS> 748962
<DIVIDEND-INCOME> 4932
<INTEREST-INCOME> 1601
<OTHER-INCOME> 0
<EXPENSES-NET> 688
<NET-INVESTMENT-INCOME> 5845
<REALIZED-GAINS-CURRENT> 3166
<APPREC-INCREASE-CURRENT> 5659
<NET-CHANGE-FROM-OPS> 14670
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 694
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 78911
<NUMBER-OF-SHARES-REDEEMED> 10316
<SHARES-REINVESTED> 65
<NET-CHANGE-IN-ASSETS> 748962
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 688
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 688
<AVERAGE-NET-ASSETS> 309778
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .12
<PER-SHARE-GAIN-APPREC> .83
<PER-SHARE-DIVIDEND> .04
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 10.91
<EXPENSE-RATIO> .50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001022619
<NAME> NATIONWIDE ASSET ALLOCATION TRUST
<SERIES>
<NUMBER> 5
<NAME> CONSERVATIVE PORTFOLIO
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-20-1998
<PERIOD-END> JUN-30-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 457420
<INVESTMENTS-AT-VALUE> 460223
<RECEIVABLES> 15129
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 475352
<PAYABLE-FOR-SECURITIES> 15111
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 196
<TOTAL-LIABILITIES> 15307
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 446820
<SHARES-COMMON-STOCK> 43250
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 4501
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 5922
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5802
<NET-ASSETS> 460045
<DIVIDEND-INCOME> 4506
<INTEREST-INCOME> 2035
<OTHER-INCOME> 0
<EXPENSES-NET> 705
<NET-INVESTMENT-INCOME> 5836
<REALIZED-GAINS-CURRENT> 5922
<APPREC-INCREASE-CURRENT> 2802
<NET-CHANGE-FROM-OPS> 14560
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1335
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 94683
<NUMBER-OF-SHARES-REDEEMED> 51561
<SHARES-REINVESTED> 128
<NET-CHANGE-IN-ASSETS> 460045
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 705
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 705
<AVERAGE-NET-ASSETS> 317719
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .16
<PER-SHARE-GAIN-APPREC> .54
<PER-SHARE-DIVIDEND> .06
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 10.64
<EXPENSE-RATIO> .50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
