<PAGE> PAGE 1
000 B000000 12/31/96
000 C000000 0000205355
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 FIRST VARIABLE RATE FUND FOR GOVT INCOME
001 B000000 811-2633
001 C000000 3019514881
002 A000000 4550 MONTGOMERY AVE., SUITE 1000N
002 B000000 BETHESDA
002 C000000 MD
002 D010000 20814
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C020100 CALVERT FIRST GOVERNMENT MONEY MARKET FUND
007 C030100 N
007 C010200 2
007 C020200 CALVERT MUNICIPAL INTERMEDIATE FUND - FLORIDA
007 C030200 N
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
019 B00AA00 0
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 UBS SECURITIES INC.
022 C000001 4989700
022 D000001 6913
<PAGE> PAGE 2
022 A000002 DONALDSON LUFKIN & JENRETTE
022 C000002 3039200
022 D000002 0
022 A000003 PAINE WEBBER INC.
022 C000003 1212276
022 D000003 63178
022 A000004 STATE STREET BAND & TRUST
022 C000004 1119000
022 D000004 0
022 A000005 BANK OF AMERICA BISD
022 C000005 166567
022 D000005 26557
022 A000006 FIRST CHICAGO CAPITAL
022 C000006 122966
022 D000006 14766
022 A000007 NATIONS BANK CAPITAL
022 C000007 81179
022 D000007 17864
022 A000008 MERRILLLYNCH PIERCE
022 C000008 67860
022 D000008 2999
022 A000009 WALL ST PLANNING INC
022 C000009 52675
022 D000009 11713
022 A000010 PRUDENTIAL SECURITIES
022 C000010 21725
022 D000010 0
023 C000000 10930176
023 D000000 144834
024 00AA00 N
025 D00AA01 0
025 D00AA02 0
025 D00AA03 0
025 D00AA04 0
025 D00AA05 0
025 D00AA06 0
025 D00AA07 0
025 D00AA08 0
027 000000 Y
054 B00AA00 Y
054 G00AA00 Y
054 H00AA00 Y
054 J00AA00 Y
054 L00AA00 Y
054 M00AA00 Y
054 O00AA00 Y
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
<PAGE> PAGE 3
077 A000000 Y
077 B000000 Y
080 A00AA00 ICI MUTUAL INSURANCE
080 C00AA00 9000
081 A00AA00 Y
081 B00AA00 45
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
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 A010100 27630
028 A020100 1013
028 A030100 0
028 A040100 37544
028 B010100 30562
028 B020100 936
028 B030100 0
028 B040100 30795
028 C010100 27867
028 C020100 977
028 C030100 0
028 C040100 27278
028 D010100 29294
028 D020100 970
028 D030100 0
028 D040100 29983
028 E010100 28382
028 E020100 849
028 E030100 0
028 E040100 28561
028 F010100 28367
028 F020100 1084
028 F030100 0
028 F040100 36782
028 G010100 172102
028 G020100 5829
<PAGE> PAGE 4
028 G030100 0
028 G040100 190943
028 H000100 0
029 000100 Y
030 A000100 35
030 B000100 2.75
030 C000100 0.00
031 A000100 1
031 B000100 0
032 000100 15
033 000100 19
042 A000100 0
042 B000100 0
042 C000100 0
042 D000100 0
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 0
044 000100 0
045 000100 Y
046 000100 N
047 000100 Y
048 000100 0.700
048 A010100 0
048 A020100 0.000
048 B010100 0
048 B020100 0.000
048 C010100 0
048 C020100 0.000
048 D010100 0
048 D020100 0.000
048 E010100 0
048 E020100 0.000
048 F010100 0
048 F020100 0.000
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 0
048 K020100 0.000
055 A000100 N
055 B000100 N
056 000100 N
057 000100 N
<PAGE> PAGE 5
062 A000100 Y
062 B000100 6.3
062 C000100 69.2
062 D000100 11.6
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 12.1
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 45
063 B000100 0.0
070 A010100 Y
070 A020100 Y
070 B010100 N
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 N
070 J020100 N
070 K010100 N
070 K020100 N
070 L010100 N
070 L020100 N
070 M010100 N
070 M020100 N
070 N010100 N
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 N
<PAGE> PAGE 6
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 0
071 B000100 0
071 C000100 0
071 D000100 0
072 A000100 12
072 B000100 13731
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 1239
072 G000100 0
072 H000100 0
072 I000100 561
072 J000100 32
072 K000100 26
072 L000100 100
072 M000100 25
072 N000100 62
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 33
072 S000100 2
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 63
072 X000100 2143
072 Y000100 32
072 Z000100 11620
072AA000100 18
072BB000100 0
072CC010100 0
072CC020100 0
072DD010100 11593
072DD020100 0
072EE000100 0
073 A010100 0.0469
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 486
074 B000100 27700
074 C000100 209791
074 D000100 0
074 E000100 0
<PAGE> PAGE 7
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 0
074 K000100 0
074 L000100 2136
074 M000100 19
074 N000100 240132
074 O000100 0
074 P000100 166
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 546
074 S000100 0
074 T000100 239420
074 U010100 239910
074 U020100 0
074 V010100 1.00
074 V020100 0.00
074 W000100 0.9992
074 X000100 13530
074 Y000100 0
075 A000100 247770
075 B000100 0
076 000100 0.00
028 A010200 256
028 A020200 15
028 A030200 0
028 A040200 15
028 B010200 1
028 B020200 15
028 B030200 0
028 B040200 63
028 C010200 65
028 C020200 15
028 C030200 0
028 C040200 10
028 D010200 407
028 D020200 14
028 D030200 0
028 D040200 575
028 E010200 35
028 E020200 16
028 E030200 0
028 E040200 35
028 F010200 18
028 F020200 15
028 F030200 0
<PAGE> PAGE 8
028 F040200 65
028 G010200 782
028 G020200 90
028 G030200 0
028 G040200 763
028 H000200 29
029 000200 Y
030 A000200 1
030 B000200 2.75
030 C000200 0.00
031 A000200 1
031 B000200 0
032 000200 0
033 000200 0
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 50
042 E000200 50
042 F000200 0
042 G000200 0
042 H000200 0
043 000200 5
044 000200 0
045 000200 Y
046 000200 N
047 000200 Y
048 000200 0.700
048 A010200 0
048 A020200 0.000
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
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 0
048 K020200 0.000
055 A000200 Y
<PAGE> PAGE 9
055 B000200 Y
056 000200 N
057 000200 N
062 A000200 Y
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 8.9
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 93.4
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
063 A000200 0
063 B000200 9.0
070 A010200 N
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 N
070 J020200 N
070 K010200 N
070 K020200 N
070 L010200 N
070 L020200 N
070 M010200 N
070 M020200 N
070 N010200 N
070 N020200 N
<PAGE> PAGE 10
070 O010200 N
070 O020200 N
070 P010200 N
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 4206
071 B000200 1589
071 C000200 8907
071 D000200 18
072 A000200 12
072 B000200 261
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 31
072 G000200 5
072 H000200 0
072 I000200 2
072 J000200 7
072 K000200 0
072 L000200 2
072 M000200 0
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 1
072 S000200 0
072 T000200 3
072 U000200 0
072 V000200 0
072 W000200 2
072 X000200 53
072 Y000200 8
072 Z000200 216
072AA000200 1
072BB000200 0
072CC010200 0
072CC020200 12
072DD010200 206
072DD020200 10
072EE000200 0
073 A010200 0.2130
073 A020200 0.1336
073 B000200 0.0000
073 C000200 0.0000
074 A000200 128
074 B000200 0
<PAGE> PAGE 11
074 C000200 490
074 D000200 5156
074 E000200 0
074 F000200 0
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 0
074 K000200 0
074 L000200 69
074 M000200 0
074 N000200 5843
074 O000200 322
074 P000200 4
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 1
074 S000200 0
074 T000200 5516
074 U010200 1098
074 U020200 71
074 V010200 0.02
074 V020200 4.97
074 W000200 0.0000
074 X000200 72
074 Y000200 0
075 A000200 0
075 B000200 5194
076 000200 0.00
SIGNATURE WILLIAM M. TARTIKOFF
TITLE GENERAL COUNSEL
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000205355
<NAME> FIRST VARIABLE RATE FUND FOR GOVERNMENT INCOME
<SERIES>
<NUMBER> 133
<NAME> CALVERT FIRST GOVERNMENT MONEY MARKET FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JUL-01-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 237491
<INVESTMENTS-AT-VALUE> 237491
<RECEIVABLES> 2136
<ASSETS-OTHER> 505
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 240132
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 712
<TOTAL-LIABILITIES> 712
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 239663
<SHARES-COMMON-STOCK> 239910
<SHARES-COMMON-PRIOR> 241685
<ACCUMULATED-NII-CURRENT> 28
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (271)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 239420
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 13731
<OTHER-INCOME> 0
<EXPENSES-NET> 2111
<NET-INVESTMENT-INCOME> 11620
<REALIZED-GAINS-CURRENT> 18
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 11638
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (11593)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 380258
<NUMBER-OF-SHARES-REDEEMED> (393328)
<SHARES-REINVESTED> 11295
<NET-CHANGE-IN-ASSETS> (1730)
<ACCUMULATED-NII-PRIOR> 1
<ACCUMULATED-GAINS-PRIOR> (290)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1239
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2111
<AVERAGE-NET-ASSETS> 247770
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.047
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.047)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.85
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000205355
<NAME> FIRST VARIABLE RATE FUND FOR GOVERNMENT INCOME
<SERIES>
<NUMBER> 134
<NAME> CALVERT MUNICIPAL INTERMEDIATE FUND - FLORIDA
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JUL-01-1996
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 5494
<INVESTMENTS-AT-VALUE> 5646
<RECEIVABLES> 69
<ASSETS-OTHER> 128
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5843
<PAYABLE-FOR-SECURITIES> 321
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5
<TOTAL-LIABILITIES> 326
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5513
<SHARES-COMMON-STOCK> 1098
<SHARES-COMMON-PRIOR> 1105
<ACCUMULATED-NII-CURRENT> 6
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (154)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 151
<NET-ASSETS> 5516
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 261
<OTHER-INCOME> 0
<EXPENSES-NET> 45
<NET-INVESTMENT-INCOME> 216
<REALIZED-GAINS-CURRENT> 1
<APPREC-INCREASE-CURRENT> (13)
<NET-CHANGE-FROM-OPS> 204
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (216)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1977
<NUMBER-OF-SHARES-REDEEMED> (897)
<SHARES-REINVESTED> 155
<NET-CHANGE-IN-ASSETS> 1223
<ACCUMULATED-NII-PRIOR> 6
<ACCUMULATED-GAINS-PRIOR> (154)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 31
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 45
<AVERAGE-NET-ASSETS> 5194
<PER-SHARE-NAV-BEGIN> 5.06
<PER-SHARE-NII> 0.210
<PER-SHARE-GAIN-APPREC> (0.037)
<PER-SHARE-DIVIDEND> (0.213)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 5.02
<EXPENSE-RATIO> 0.81
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
