We introduced a package of improvements to the mid-2008 migration and population statistics.
The package was introduced as part of a cross-government programme to improve migration statistics.
The improvements impact on previously published population estimates, leading to revisions, including revised mid-2002 to mid-2008 local authority population estimates for England and Wales.
These revised estimates were published on 13 May 2010, and a link to them can be found in the “Related links” section.
The related links provide a range of supporting information, charts and tables to accompany the package of improvements.
This information includes results of an exercise seeking users' views on the impact of the improvements to the local authority population estimates that ran from 30 November 2009 to 18 January 2010. This user engagement was the culmination of an extensive quality-assurance exercise for the estimates.
These improvements fed into the 2008-based subnational population projections, which were published on 27 May 2010.
The improved methods were also used to calculate mid-2009 population estimates, which were published on 24 June 2010.
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