OSNI 50K Boundaries: Northern Ireland District Electoral Areas (1993)

OSNI Open Data provides a geospatial dataset of District Electoral Area (DEA) boundaries for Northern Ireland as they were in 1993. The dataset is published for open data use under the LPS Open Government Data Licence and is available in multiple formats including ESRI SHAPE, GEOJSON, and KML. It is accessible via multiple platforms, indicating its established use for administrative and electoral geography.

Use Cases

• Historical boundary analysis based on the 1993 snapshot of electoral districts.
• Administrative map creation for Northern Ireland using the provided geospatial vector data.
• Integrating electoral geography into demographic or political studies based on the DEA boundaries.

Strengths

• Provides a specific historical snapshot from 1993, offering temporal consistency for analysis.
• Available on multiple open data platforms (eu_open_data, uk_data), suggesting reliability and established utility.
• Offers data in multiple standard geospatial formats (ESRI SHAPE, GEOJSON, KML), enhancing interoperability.

Limitations

• Key metadata such as row count, file size, and specific column names are not provided in any source.
• The dataset represents a single historical year (1993) and does not reflect subsequent boundary changes.
• Documentation gaps exist, with no details on the original data collection or digitization methodology.

Provenance

Source

Ordnance Survey Northern Ireland (OSNI), published by the Government Digital Service.

Time Range

1993

Freshness

Last updated metadata dates from 2026-07-08, though this likely refers to platform catalog updates, not the underlying 1993 data.

Geography

Northern Ireland