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U.S. Census Improves in Accuracy
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2012-06-06 03:56:44, 조회 : 2,206 |
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U.S. Census Improves in Accuracy
In its post-enumeration surveys, the U.S. Census Bureau reports that it achieved near-zero overcounting of the nation’s population in the 2010 Census. The net overcount of 0.01% (representing 36,000 people) improves upon the 2000 Census overcount of 0.49% and the 1990 Census undercount of 1.61%.
The survey sampled the 300.7 million Americans living in housing units (excluding nursing homes, college dorms, and other group quarters) and matched responses to the Census in order to estimate errors. These errors may include omissions, duplications, imputable demographic characteristics, and fictitious responses.
Post-enumeration surveys are part of the Census Bureau’s strategy to improve its data collection. Other efforts involve evaluating Census operations and data-collection processes and comparing other methods for estimating population size. The goal is to improve Census processes (and the resulting data) for the 2020 Census.
\"On this one evaluation—the net undercount of the total population—this was an outstanding census,\" says Census Bureau Director Robert Groves. \"When this fact is added to prior positive evaluations, the American public can be proud of the 2010 Census their participation made possible.\"
A remaining challenge to Census accuracy is reaching the nation’s harder-to-count renters and minority populations, says Groves.
Source: U.S. Bureau of the Census
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