Neil Park
Release date:
25 October 2016
Next release:
October 2017

About this Dataset

Estimates of the usual resident population for Lower Layer Super Output Areas (LSOAs) in England and Wales by Single Year of Age and Sex.

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Important notes and usage information

Small Area Population Estimates have recently been subject to an internal ONS quality assurance review. This review recommended that the LSOA data at single year of age should be considered as supporting information and data by five year age band should be further reviewed through the internal quality assurance process. An overview of the recommendations from this review and plans to address these is available on our website.

The more detailed estimates by single year of age provided enable the creation of population estimates for bespoke age groups and encourage further analysis and use of the estimates. Particular caution should be exercised in using estimates at LSOA level for individual single year of age groups as these include patterns of variance and bias that vary by age, sex and geography and would not be expected to have the same level of accuracy as aggregated estimates. Population estimates at MSOA level (5 year age groups) and LSOA (broad age groups) were designated as National Statistics in 2011.