OSNI Open Data: Northern Ireland District Electoral Areas from 1993

OSNI 50k District Electoral Areas represent the administrative boundaries for Northern Ireland as they were from 1993. The dataset is published by OpenDataNI under the Open Government Data Licence and was last updated on the platform in July 2026. It is available in multiple geospatial formats including CSV, KML, and GeoJSON.

Use Cases

• Mapping historical electoral boundaries based on the 1993 District Electoral Areas.
• Conducting spatial analysis of administrative units from 1993.
• Integrating historical boundary data into geographic information systems using the provided KML and GeoJSON formats.

Strengths

• Provides a snapshot of electoral boundaries from a specific historical year (1993).
• Available in multiple interoperable geospatial formats (CSV, KML, JSON, GeoJSON, WMS).
• Published under a permissive open government license (OGL-UK-3.0).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect temporal bias inherent to its 1993 snapshot.

Provenance

Source

OpenDataNI

Collection Method

Published for OpenData, likely sourced from Ordnance Survey Northern Ireland (OSNI).

Time Range

1993

Freshness

Last updated 2026-07-08 13:32:20.354885; freshness should be verified.

Geography

Northern Ireland