VANGUARD BOND INDEX FUND INC
NSAR-B, 1999-02-26
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<PAGE>      PAGE  1
000 B000000 12/31/98
000 C000000 0000794105
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 VANGUARD BOND INDEX FUNDS
001 B000000 811-4681
001 C000000 6106691000
002 A000000 100 VANGUARD BOULEVARD
002 B000000 MALVERN
002 C000000 PA
002 D010000 19355
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  4
007 C010100  1
007 C020100 VANGUARD TOTAL BOND MARKET INDEX FUND
007 C030100 N
007 C010200  2
007 C020200 VANGUARD SHORT-TERM BOND INDEX FUND
007 C030200 N
007 C010300  3
007 C020300 VANGUARD INTERMEDIATE-TERM BOND INDEX FUND
007 C030300 N
007 C010400  4
007 C020400 VANGAURD LONG-TERM BOND INDEX FUND
007 C030400 N
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
010 A00AA01 THE VANGUARD GROUP, INC.
010 B00AA01 801-11953
010 C01AA01 MALVERN
010 C02AA01 PA
010 C03AA01 19355
012 A00AA01 THE VANGUARD GROUP, INC.
012 B00AA01 84-772
012 C01AA01 MALVERN
012 C02AA01 PA
012 C03AA01 19355
013 A00AA01 PRICEWATERHOUSE COOPERS LLP
<PAGE>      PAGE  2
013 B01AA01 PHILADELPHIA
013 B02AA01 PA
013 B03AA01 19103
014 A00AA01 VANGUARD MARKETING CORPORATION
014 B00AA01 8-21570
018  00AA00 Y
019 A00AA00 Y
019 B00AA00   97
019 C00AA00 VANGUARDGR
020 A000001 BEAR STEARNS SECURITIES CORP.
020 B000001 13-3299429
020 C000001      7
020 A000002 SALOMON SMITH BARNEY INC.
020 B000002 13-3082694
020 C000002      6
020 A000003 J.P. MORGAN SECURITIES, INC.
020 B000003 13-3224016
020 C000003      2
020 A000004 DONALDSON & CO., INC.
020 B000004 58-1574040
020 C000004      1
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000       16
022 A000001 THE VANGUARD GROUP, INC./POOLED CASH ACCOUNT
022 B000001 23-1945930
022 C000001   4661682
022 D000001   4641912
022 A000002 DONALDSON, LUFKIN & JENRETTE SECURITIES
022 B000002 13-2741729
022 C000002   1762219
022 D000002   1459488
022 A000003 LEHMAN GOVERNMENT SECURITIES INC.
022 B000003 13-2726611
022 C000003   1382586
022 D000003    671840
022 A000004 BEAR, STEARNS & CO.
022 B000004 13-3299429
022 C000004   1262256
022 D000004    776314
022 A000005 BARCLAYS DEZOETEWEDD SECURITIES INC.
022 B000005 13-3551367
022 C000005    775708
022 D000005   1029827
022 A000006 GREENWICH CAPITAL MARKETS INC.
022 B000006 13-3172275
022 C000006    824406
<PAGE>      PAGE  3
022 D000006    552067
022 A000007 MERRILL LYNCH PIERCE FENNER & SMITH
022 B000007 13-5674085
022 C000007    606922
022 D000007    284290
022 A000008 SALOMON SMITH BARNEY INC.
022 B000008 13-1912900
022 C000008    613620
022 D000008    228665
022 A000009 GOLDMAN SACHS & CO.
022 B000009 13-5108880
022 C000009    397093
022 D000009    403717
022 A000010 PAINEWEBBER INC.
022 B000010 13-2638166
022 C000010    642240
022 D000010     14679
023 C000000   15630578
023 D000000   10715525
026 A000000 N
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029  00AA00 N
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039  00AA00 Y
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<PAGE>      PAGE  4
042 G00AA00   0
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058 A00AA00 N
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060 A00AA00 Y
060 B00AA00 Y
061  00AA00     3000
066 A00AA00 N
067  00AA00 N
068 A00AA00 N
068 B00AA00 N
069  00AA00 Y
077 A000000 Y
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077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
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077 K000000 N
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<PAGE>      PAGE  5
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N
077 Q020000 N
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078  000000 N
080 A00AA00 ICI MUTUAL INSURANCE COMPANY
080 C00AA00   350000
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081 B00AA00 178
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015 A000101 THE CHASE MANHATTAN BANK, N.A.
015 B000101 C
015 C010101 BROOKLYN
015 C020101 NY
015 C030101 11245
015 E010101 X
024  000100 Y
025 A000101 MERILL LYNCH & CO.
025 B000101 13-5674085
025 C000101 D
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025 B000102 13-1912900
025 C000102 D
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025 B000103 13-2655998
025 C000103 D
025 D000103   66957
025 A000104 LEHMAN BROTHERS HOLDINGS INC.
025 B000104 13-2518466
025 C000104 D
<PAGE>      PAGE  6
025 D000104   60883
025 A000105 DONALDSON,LUFKIN & JENRETTE SECURITIES INC.
025 B000105 13-2726611
025 C000105 D
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055 A000100 N
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<PAGE>      PAGE  7
062 H000100   0.0
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064 A000100 N
070 A010100 Y
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070 B010100 N
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070 D010100 N
070 D020100 N
070 E010100 Y
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 Y
070 K010100 Y
070 K020100 N
070 L010100 Y
070 L020100 Y
070 M010100 N
070 M020100 N
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070 N020100 Y
070 O010100 Y
070 O020100 N
070 P010100 Y
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100   8676997
<PAGE>      PAGE  8
071 B000100   4617607
071 C000100   8147942
071 D000100   57
072 A000100 12
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073 A010100   0.6240
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074 D000100 10005589
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<PAGE>      PAGE  9
074 L000100   369967
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074 N000100 10786461
074 O000100   483475
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074 T000100 10258025
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074 W000100   0.0000
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074 Y000100        0
075 A000100        0
075 B000100  8253677
076  000100     0.00
015 A000201 STATE STREET BANK & TRUST CO.
015 B000201 C
015 C010201 BOSTON
015 C020201 MA
015 C030201 02110
015 E010201 X
025 A000201 MERRILL LYNCH & CO.
025 B000201 13-5674085
025 C000201 D
025 D000201    8934
025 A000202 LEHMAN BROTHERS HOLDINGS INC.
025 B000202 13-2518466
025 C000202 D
025 D000202    6256
025 A000203 DONALDSON,LUFKIN & JENRETTE SECURITIES INC.
025 B000203 13-2726611
025 C000203 D
025 D000203    5009
025 A000204 BEAR STEARNS & CO.
025 B000204 13-3299429
025 C000204 D
025 D000204    4234
025 A000205 SALOMON SMITH BARNEY INC.
025 B000205 13-1912900
025 C000205 D
025 D000205    4234
025 A000206 MORGAN STANLEY,DEAN WITTER,DISCOVER & CO.
025 B000206 13-2655998
025 C000206 D
<PAGE>      PAGE  10
025 D000206    3224
025 A000207 PAINEWEBBER INC.
025 B000207 13-2638166
025 C000207 D
025 D000207    2474
025 D000208       0
028 A010200     36537
028 A020200      2440
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028 A040200      8666
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028 G040200     85732
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055 A000200 N
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062 A000200 Y
062 B000200   0.0
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<PAGE>      PAGE  11
062 M000200  48.4
062 N000200   7.6
062 O000200   0.0
062 P000200  36.5
062 Q000200   3.1
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063 B000200  2.6
064 A000200 N
070 A010200 Y
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070 B010200 N
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070 C010200 Y
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 Y
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 Y
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 Y
070 K010200 Y
070 K020200 N
070 L010200 Y
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070 M010200 N
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070 Q010200 N
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071 A000200    892646
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<PAGE>      PAGE  12
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<PAGE>      PAGE  13
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015 A000301 STATE STREET BANK & TRUST CO.
015 B000301 C
015 C010301 BOSTON
015 C020301 MA
015 C030301 02110
015 E010301 X
025 A000301 MORGAN STANLEY,DEAN WITTER, DISCOVER & CO.
025 B000301 13-2655998
025 C000301 D
025 D000301    3580
025 A000302 SALOMON SMITH BARNEY INC.
025 B000302 13-1912900
025 C000302 D
025 D000302    3445
025 A000303 BEAR STEARNS & CO.
025 B000303 13-3299429
025 C000303 D
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025 A000305 MERRILL LYNCH & CO.
025 B000305 13-5674085
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<PAGE>      PAGE  14
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<PAGE>      PAGE  15
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<PAGE>      PAGE  16
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<PAGE>      PAGE  17
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015 A000401 STATE STREET BANK & TRUST CO.
015 B000401 C
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015 C020401 MA
015 C030401 02110
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025 A000401 MERRILL LYNCH & CO.
025 B000401 13-5674085
025 C000401 D
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025 B000403 13-2655998
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<PAGE>      PAGE  18
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055 A000400 N
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056  000400 N
057  000400 N
062 A000400 Y
062 B000400   0.0
062 C000400   0.0
062 D000400   0.5
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   0.6
062 M000400  59.8
062 N000400   2.5
062 O000400   0.0
062 P000400  30.6
062 Q000400   4.8
062 R000400   1.2
063 A000400   0
063 B000400 21.7
064 A000400 N
070 A010400 Y
070 A020400 Y
070 B010400 N
070 B020400 N
070 C010400 Y
070 C020400 N
070 D010400 N
070 D020400 N
070 E010400 Y
070 E020400 N
070 F010400 N
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
<PAGE>      PAGE  19
070 J020400 Y
070 K010400 Y
070 K020400 N
070 L010400 Y
070 L020400 Y
070 M010400 N
070 M020400 N
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    194954
071 B000400     81521
071 C000400    142896
071 D000400   57
072 A000400 12
072 B000400     8975
072 C000400        0
072 D000400        0
072 E000400        0
072 F000400       16
072 G000400        4
072 H000400        0
072 I000400      203
072 J000400       19
072 K000400        0
072 L000400        7
072 M000400        0
072 N000400        0
072 O000400        4
072 P000400        0
072 Q000400        0
072 R000400        8
072 S000400        0
072 T000400       33
072 U000400        0
072 V000400        1
072 W000400        0
072 X000400      295
072 Y000400        2
072 Z000400     8682
072AA000400     1694
072BB000400      542
072CC010400     6379
072CC020400        0
<PAGE>      PAGE  20
072DD010400     8682
072DD020400        0
072EE000400      810
073 A010400   0.6660
073 A020400   0.0000
073 B000400   0.0480
073 C000400   0.0000
074 A000400       22
074 B000400     1050
074 C000400     1219
074 D000400   205261
074 E000400        0
074 F000400        0
074 G000400        0
074 H000400        0
074 I000400       35
074 J000400        0
074 K000400        0
074 L000400     4630
074 M000400        0
074 N000400   212217
074 O000400     1645
074 P000400       59
074 Q000400        0
074 R010400        0
074 R020400        0
074 R030400        0
074 R040400      488
074 S000400        0
074 T000400   210025
074 U010400    18547
074 U020400        0
074 V010400    11.32
074 V020400     0.00
074 W000400   0.0000
074 X000400     9532
074 Y000400        0
075 A000400        0
075 B000400   145460
076  000400     0.00
SIGNATURE   GARY P. SOURA                                
TITLE       MANAGER             
 


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUNDS
<SERIES>
   <NUMBER> 011
   <NAME> VANGUARD TOTAL BOND MARKET INDEX FUND-INVESTOR SHARES
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<CURRENCY> US
       
<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUNDS
<SERIES>
   <NUMBER> 012
   <NAME> VANGUARD TOTAL BOND MARKET INDEX FUND-INSTITUTIONAL SHARES
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<CURRENCY> US
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<EXCHANGE-RATE>                                      1
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<INVESTMENTS-AT-VALUE>                        10292571
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<SENIOR-LONG-TERM-DEBT>                              0
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUNDS
<SERIES>
   <NUMBER> 02
   <NAME> VANGUARD SHORT-TERM BOND INDEX FUND
<MULTIPLIER> 1000
<CURRENCY> US
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUNDS
<SERIES>
   <NUMBER> 03
   <NAME> VANGUARD INTERMEDIATE-TERM BOND INDEX FUND
<MULTIPLIER> 1000
<CURRENCY> US
       
<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUNDS
<SERIES>
   <NUMBER> 04
   <NAME> VANGUARD LONG-TERM BOND INDEX FUND
<MULTIPLIER> 1000
<CURRENCY> US
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
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<PERIOD-START>                             JAN-01-1998
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<EXPENSE-RATIO>                                   0.20
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<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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