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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 21
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062 R000500 0.0
066 A000500 Y
066 B000500 N
066 C000500 N
066 D000500 N
066 E000500 Y
066 F000500 N
066 G000500 N
067 000500 N
068 A000500 N
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069 000500 N
<PAGE> PAGE 22
071 A000500 135568
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<PAGE> PAGE 23
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028 A010600 601
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<PAGE> PAGE 24
030 B000600 3.50
030 C000600 0.00
031 A000600 7
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034 000600 N
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<PAGE> PAGE 25
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062 H000600 0.0
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062 O000600 94.6
062 P000600 0.0
062 Q000600 0.0
062 R000600 0.0
063 A000600 0
063 B000600 8.0
064 A000600 Y
064 B000600 N
066 A000600 N
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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SIGNATURE VAN J. BILLOPS
TITLE ASST VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG LIMITED TERM U.S. GOVERNMENT FUND - A
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
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<NAME> THORNBURG LIMITED TERM U.S. GOVERNMENT FUND - C
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
<NUMBER> 1
<NAME> THORNBURG LIMITED TERM U.S. GOVERNMENT FUND - I
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<GROSS-ADVISORY-FEES> 252,902
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<EXPENSE-RATIO> .60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
<NUMBER> 2
<NAME> THORNBURG NEW MEXICO INTERMEDIATE MUNICIPAL FUND - A
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<GROSS-ADVISORY-FEES> 391,264
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<GROSS-EXPENSE> 788,214
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<PER-SHARE-NAV-BEGIN> 13.45
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<EXPENSE-RATIO> .99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
<NUMBER> 3
<NAME> THORNBURG INTERMEDIATE MUNICIPAL FUND - A
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[AVG-DEBT-OUTSTANDING] 0
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG INTERMEDIATE MUNICIPAL FUND - C
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[AVG-DEBT-OUTSTANDING] 0
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
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<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG INTERMEDIATE MUNICIPAL FUND - I
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG LIMITED INCOME FUND - A
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[AVG-DEBT-OUTSTANDING] 0
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG LIMITED INCOME FUND - C
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG LIMITED INCOME FUND - I
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG VALUE FUND (A)
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG VALUE FUND (C)
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
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<NAME> THORNBURG VALUE FUND (I)
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
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<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG FLORIDA INTERMEDIATE MUNI FUND - A
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG GLOBAL VALUE FUND (A)
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
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<NAME> THORNBURG GLOBAL VALUE FUND (C)
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