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Methodological research since the last Census

14 November 2013

Analysis of internal migration research series, years ending June 2009 to June 2011 (194.6 Kb Pdf)

Using the research series data files - please read (58.4 Kb Pdf)

26 June 2013

Comparison of Previous and Improved Methods of Estimating International Immigration at Local Authority Level (255 Kb Pdf)

30 April 2013

Methods used to revise the subnational population estimates for mid-2002 to mid-2010 (640 Kb Pdf)

Components of difference for revised mid-2002 to mid-2010 population estimates (151 Kb Excel sheet)

13 December 2012

Methods used to revise the national population estimates for mid-2002 to mid-2010 (171.1 Kb Pdf)

25 September 2012

Examining the difference between the rolled-forward mid-2011 population estimates and the 2011 Census-based MYEs at local authority level (1.19 Mb Pdf)  

Associated tables and charts:

Difference between rolled-forward mid-2011 estimates and 2011 Census MYEs (6.91 Mb Excel sheet)

LA cohort change over time 2001 to 2011 (9.14 Mb Excel sheet)

LA SYOA population comparison charts (12.92 Mb Excel sheet)
An error relating to the 85+ age group in the 'rolled-forward 2011 new' and ‘rolled-forward 2011 old' was found in the original published spreadsheet. This corrected version was published on 27 September 2012.
Following user demand, an additional table was published on 2 October 2012 that includes the rolled-forward mid-2011 population estimates (old and new methods) broken down by SYOA and sex (14.28 Mb Excel sheet)  

16 July 2012

Explaining the Difference Between the 2011 Census Estimates and the Rolled-Forward Population Estimates  (361.9 Kb Pdf)

Note: the national-level findings of the 16 July 2012 report have been substantially superseded by those of the report of 13 December 2012. Users are advised to refer to the December report for an explanation of how the difference between the Census-based and rolled-forward mid-year estimates arose, and how this difference developed over the decade.

Content from the Office for National Statistics.
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