<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816153
<NAME> THORNBURG INVESTMENT TRUST
<SERIES>
<NUMBER> 7
<NAME> THORNBURG GLOBAL VALUE FUND (C)
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
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<INVESTMENTS-AT-VALUE> 102,489,761
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<OTHER-ITEMS-ASSETS> 0
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<PAYABLE-FOR-SECURITIES> 7,806,625
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 756,335
<TOTAL-LIABILITIES> 8,562,960
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 95,945,903
<SHARES-COMMON-STOCK> 1,584,258
<SHARES-COMMON-PRIOR> 251,212
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 116,705
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4,129,084
<NET-ASSETS> 103,460,596
<DIVIDEND-INCOME> 2,577,568
<INTEREST-INCOME> 293,977
<OTHER-INCOME> 0
<EXPENSES-NET> (1,159,290)
<NET-INVESTMENT-INCOME> 1,715,255
<REALIZED-GAINS-CURRENT> 2,858,183
<APPREC-INCREASE-CURRENT> 4,919,021
<NET-CHANGE-FROM-OPS> 9,489,459
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (799,585)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,330,647
<NUMBER-OF-SHARES-REDEEMED> (38,739)
<SHARES-REINVESTED> 41,138
<NET-CHANGE-IN-ASSETS> 22,885,766
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 200,250
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 592,028
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,191,456
<AVERAGE-NET-ASSETS> 68,056,198
<PER-SHARE-NAV-BEGIN> 12.88
<PER-SHARE-NII> .38
<PER-SHARE-GAIN-APPREC> 3.91
<PER-SHARE-DIVIDEND> (.68)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.49
<EXPENSE-RATIO> 2.35
</TABLE>
