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ONS Blog: Mary Gregory, Interim Director of Population Statistics, explains what is driving population growth and the progress the ONS is making towards producing new estimates which better meet user needs.

This ONS bulletin includes estimates of:

• rate of population change in regions of England and Wales


• local area population change 


• comparisons with admin-based population estimates (ABPEs)

To support understanding of why ONS are evolving population and migration statistics, they have published a paper explaining the design of the future statistical system for England and Wales.

This includes an overview of the statistical design starting with administrative data, data linkage, coverage adjustment, statistical modelling and a glossary of terms.

This ONS report provides information about the quality strategy underpinning the future population and migration statistics system in England and Wales.

Mid-year population estimates QMI

Quality and methodology information (QMI) for mid-year population estimates in the UK has been updated, detailing the strengths and limitations of the data, methods used, and data uses and users.

Population estimates for England and Wales, mid-2023: methods guide

ONS have also updated the methodology guidance on national and subnational mid-year population estimates for England and Wales.

Population statistics and sources guide

ONS update to their population statistics and sources guide includes comparisons of the different types of population estimates that are published on the ONS website or planned for future publication.