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An overview of best-fitting: Building 2021 Census estimates from output areas (OAs)

Publisher
Office for National Statistics
Updated
11 August 2025
Topic
Not set
Licence
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Summary

Best-fitting is the method used to produce estimates for any output geography, by aggregating statistical building blocks, even where these may be nested within a higher geography. It is the method used to produce all national and Census statistics, to be consistent, comparable and non-disclosive. (File Size - 1 MB)
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Contact

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