<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000719451
<NAME> Fidelity Advisor Series IV
<SERIES>
<NUMBER> 21
<NAME> Fidelity Institutional Short-Intermediate Government Fund
<MULTIPLIER> 1,000
<S>
<C>
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6-MOS
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Nov-30-2000
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may-31-2000
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336,114
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327,979
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60,674
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281
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0
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388,934
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5,536
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0
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55,569
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61,105
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0
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366,717
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36,468
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45,615
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361
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0
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(31,114)
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0
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(8,135)
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327,829
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0
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26
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853
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12,852
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(3,625)
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(1,981)
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7,246
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0
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12,738
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0
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0
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7,755
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18,207
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1,305
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(87,893)
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247
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(27,489)
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0
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0
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9.110
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.296
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(.122)
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.294
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0
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0
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8.990
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45
</TABLE>