Senedd Cymru Constituency Boundaries for Wales, May 2026

Wales is covered by digital vector boundaries for Senedd Cymru constituencies as of May 2026. The data contains Ordnance Survey and ONS intellectual property rights and is provided in a super generalised (200m) format clipped to the coastline. It was last updated on 2026-05-13.

Use Cases

• Create constituency maps based on the provided digital vector boundaries.
• Analyze geographic representation in Welsh politics based on the 2026 constituency shapes.
• Integrate electoral boundaries into spatial analyses based on the super generalised (200m) coastline-clipped data.

Strengths

• Boundaries are specified as of a concrete date: May 2026.
• Data format is explicitly defined as super generalised (200m) clipped to the Mean High Water Mark.
• Contains intellectual property rights from Ordnance Survey and ONS.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

May 2026

Freshness

Last updated 2026-05-13 18:04:08.151018; freshness should be verified.

Geography

Wales