Britain is an increasingly footloose place, which means that census data goes stale faster than ever.

英国的流动人口逐渐增多，这意味着人口普查的数据比以往失效得更快。

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This paper analyzes migration situation in China based on the birth place data from the 2000 Census, it involves the matter of the size of the migration, change, rate, and move orientation.

基于2000年人口普查的出生地资料，分析了中国人口迁移态势，包括外地出生人口的数量、变动、比率和流动方向。

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Mr Lewis said like traditional census the data would be released 100 years after the census has taken place.

BBC: Guernsey census data protection a 'priority'

"Life in Britain: Using millennial Census data to understand poverty, inequality and place" by Ben Wheeler, Mary Shaw, Richard Mitchell and Danny Dorling is published by the Policy Press.

BBC: The gap between rich and poor is still wide, the report says