Census 2021 output geography information papers

Data Zones and Super Data Zones are new statistical output geographies that have been created to support the release of local-level Census 2021 statistics.

• Read ‘New statistical output geographies for Northern Ireland derived from Census 2021’ to find out how the new statistical geographies have been developed.
• Read ‘Aggregating Data Zones to produce statistics for higher-level geographies’ to find out how other Northern Ireland geographies can be approximated.
• Read 'Aggregating Data Zones to produce statistics for the new Parliamentary Constituencies' to find out more about the aggregation method and its accuracy in producing approximated statistics for each of the new Parliamentary Constituencies.
• Read 'Census 2021 geography guidance' for background on the Census 2021 output geographies, disclosure considerations for producing outputs at multiple geographies and the geography approximation methodologies that Census Office has adopted.

Digital boundaries can be downloaded for:

• Data Zones
• Super Data Zones