<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000795422
<NAME> Fidelity Advisor Series II
<SERIES>
<NUMBER> 92
<NAME> Fidelity Advisor Mortgage Securities Fund Class A
<MULTIPLIER> 1,000
<S>
<C>
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YEAR
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OCT-31-2000
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OCT-31-2000
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501,146
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497,473
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2,704
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132
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0
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500,309
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30,345
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0
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3,939
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34,284
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0
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477,537
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438
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295
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813
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0
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(8,783)
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0
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466,025
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0
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29,377
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6,488
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32,422
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0
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260
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0
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0
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215
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91
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19
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(7,479)
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1,902
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(5,170)
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0
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0
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0
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3,869
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10.480
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0
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0
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10.530
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88
</TABLE>
