National Assembly for Wales Constituency Boundaries as of December 2016

Four vector boundary files for National Assembly for Wales constituencies, with file sizes ranging from 87 KB to 5 MB. The dataset contains digital boundaries as of 31 December 2016, provided by the Office for National Statistics and Ordnance Survey. It includes full-resolution, generalised (20m), and super-generalised (200m) versions, all clipped to the Mean High Water coastline.

Use Cases

• Mapping constituency boundaries for Wales based on the provided vector files.
• Performing spatial analysis of electoral regions using the generalised (20m) or super-generalised (200m) versions for simplified geometry.
• Integrating boundary data with other geospatial datasets using the coastline-clipped feature.
• Visualizing the extent of the realm versus the clipped coastline boundaries for cartographic purposes.

Strengths

• Provides four distinct boundary resolutions, with specific file sizes listed (e.g., 87 KB for super-generalised).
• Contains boundaries with a specific snapshot date of 31 December 2016.
• Includes both full-resolution extent-of-the-realm and coastline-clipped versions for different use cases.

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 statistical analysis.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Office for National Statistics and Ordnance Survey.

Collection Method

Likely digitized from official electoral boundary definitions.

Time Range

As of 31 December 2016.

Freshness

Last updated 2026-07-08 13:33:02.015669; freshness should be verified.

Geography

Wales.