Ward to Welsh Assembly Constituency Lookup as of December 2020

A December 2020 lookup file mapping wards to National Assembly for Wales constituencies. The dataset includes codes and names for both administrative levels and was published by the Government Digital Service on the Open Geography portal. It was last updated on the platform in July 2022.

Use Cases

• Mapping local ward-level data to parliamentary constituencies for electoral analysis based on the lookup relationship.
• Joining demographic or economic statistics to constituency boundaries using the provided ward codes (WD20CD).
• Validating or standardizing geographic identifiers for data pertaining to Wales based on the official codes.
• Creating visualizations of Welsh political geography using the constituency names (NAWC20NM).

Strengths

• Provides an official, time-specific snapshot (as of 31 December 2020) of administrative boundaries.
• Includes both English and likely Welsh language names (WD20NM, WD20NMW) for wards.
• Offers data in multiple geospatial formats (GEOPACKAGE, GEOJSON, KML) for flexibility.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Last updated 2022-07-22 14:51:21.950000; freshness should be verified for current applications.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Government Digital Service via the Open Geography portal.

Collection Method

Published as part of official geographic lookup products.

Time Range

As of 31 December 2020.

Freshness

2022-07-22 14:51:21.950000

Geography

Wales