Middle Layer Super Output Areas (December 2001) Boundaries for England and Wales

Digital vector boundaries for Middle Layer Super Output Areas in England and Wales, as at 31 December 2001. The dataset contains three boundary variants: full resolution (extent of the realm), full resolution clipped to the coastline, and a generalised (20m) version. Contains both Ordnance Survey and Office for National Statistics Intellectual Property Rights.

Use Cases

• Mapping historical census data based on the 2001 MSOA geography
• Analyzing changes in administrative boundaries over time based on the December 2001 snapshot
• Creating visualizations of socio-economic data for England and Wales based on the provided vector boundaries
• Performing spatial analysis using the different boundary resolutions (full realm, clipped, generalised)

Strengths

• Provides three specific boundary variants: full realm (154 MB), clipped coastline (154 MB), and generalised 20m (49 MB)
• Contains authoritative intellectual property from Ordnance Survey and the Office for National Statistics
• Offers multiple access methods via REST URLs for ArcGIS INSPIRE View and Feature Download services

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• Column-level documentation is absent; field semantics must be inferred after download
• Data may reflect geographic bias inherent to uk_data, covering only England and Wales

Provenance

Source

Office for National Statistics

Time Range

Snapshot as of 31 December 2001

Freshness

Last updated 2026-07-08 13:33:26.148359; freshness should be verified

Geography

England and Wales