Parliamentary Constituency Population Estimates by Age and Sex for England and Wales

Estimates of the usually resident population as at 30 June of the reference year for Westminster parliamentary constituencies in England and Wales. These experimental official statistics are produced by the Office for National Statistics and are consistent with Super Output Area, local authority, regional, and national population estimates. The data reflects administrative boundaries in place on 30 June 2012.

Use Cases

• Analyzing population age and sex structures for political constituencies based on the description.
• Modeling demographic change for electoral and resource allocation planning based on small area estimates.
• Validating or supplementing other UK population datasets based on consistency with Super Output Area and local authority estimates.

Strengths

• Produced by the Office for National Statistics, the UK's national statistical institute.
• Estimates are consistent with population figures at multiple geographic levels, including Super Output Area and local authority.
• Data reflects a specific administrative boundary set from 30 June 2012.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect temporal bias inherent to the 2012 administrative boundaries.

Provenance

Source

Office for National Statistics

Collection Method

Part of the Small Area Population Estimates (SAPE) set, likely derived from census and administrative data.

Time Range

Reference year(s) not specified; estimates are as of 30 June of the reference year.

Freshness

Last updated 2026-07-08 13:33:07.869287; freshness should be verified.

Geography

Westminster parliamentary constituencies in England and Wales.