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Labor-force participation estimates by age and sex, 2000 five-percent PUMS as a percentage of 2000 Census published data. Sources: Labor-force population counts are taken from Census 2000 Summary File 4, Table PCT70 (http://factfinder.census.gov); labor-force estimates are calculated using Census 2000 five-percent sample, IPUMS-USA (http://usa.ipums.org/usa/).
