Senedd Cymru Constituency Boundaries for Wales, May 2026

May 2026 digital vector boundaries for Senedd Cymru constituencies in Wales. The dataset is provided by the Office for National Statistics and contains full-resolution boundaries clipped to the coastline.

Use Cases

• Create electoral maps based on the May 2026 constituency boundaries.
• Perform spatial analysis of demographic data aggregated to Welsh parliamentary constituencies.
• Integrate boundary data into geographic information systems for regional planning.

Strengths

• Boundaries are specified as full resolution (BFC).
• Data is clipped to the coastline (Mean High Water mark), providing precise coastal definitions.
• The dataset has a specific temporal validity date of May 2026.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Office for National Statistics

Time Range

May 2026

Freshness

Last updated 2026-05-13 18:04:10.010259; freshness should be verified.

Geography

Wales