Population by Gender from the 2001 Census of England and Wales

Census 2001 data provides a complete enumeration of the population of England and Wales by sex. The dataset is published by the Office for National Statistics via Neighbourhood Statistics and covers multiple geographic levels from Output Areas to the national level. Its single-year time coverage offers a detailed snapshot of the population structure at the turn of the millennium.

Use Cases

• Calculate gender ratios for local administrative districts based on the census enumeration.
• Map population density by gender across different geographic hierarchies mentioned in the description.
• Analyze demographic structures for small areas like Output Areas (OAs) using the sex-disaggregated data.
• Benchmark historical population figures for England and Wales against later censuses.

Strengths

• Data originates from a national census, which aims for complete population coverage for England and Wales in 2001.
• Geographic coverage spans seven nested levels, from Output Area to National, enabling multi-scale analysis.
• Published under the OGL-UK-3.0 license, facilitating open use and redistribution.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale processing.
• Data reflects a single point in time (2001), limiting analysis of trends over time.

Provenance

Source

Office for National Statistics

Collection Method

Survey (census)

Time Range

2001

Freshness

Last updated 2026-07-08 13:30:34.360411; freshness should be verified.

Geography

England and Wales