Explore Census 2021 national identity data for Wales and its local authority areas. This resource provides key statistics on how people identify nationally, alongside an interactive ONS map showing numbers and proportions of groups at local authority and MSOA level.
Census 2021: National Identity
Below you will find selected national statistics from Census 2021 for Wales and for local authority areas.
National identity at local authority and MSOA level
ONS has issued a useful interactive maps where you can check numbers and proportions of diverse groups by Local Authority areas and smaller areas called MSOA’s. The map is a useful tool and you can use it below.
Local Authority and smaller areas: UK, Non-UK, Welsh, British, English
Local Authority and smaller areas: Detailed national identities
National Identity in Wales: UK vs. Non-UK
5.4% of usual residents in Wales chose at least one non-UK national identity (up from 3.8% in 2011). Within this group 4.2% of the population did not associate with any UK identity (up from 3.4% in 2011)
Source: Census 2021
National Identity in Wales: UK identities
1.7 million people in Wales identified with a “Welsh” only identity (55.2% of the population, down from 57.5% in 2011).
The areas with the largest percentages of “Welsh” only identity included Merthyr Tydfil (70.0%), Rhondda Cynon Taf (69.8%), and Caerphilly (69.2%), while Flintshire (34.7%) had the smallest proportion.
Source: Census 2021
Largest non-UK identities
Source Census 2021
Where can I find and analyse the Census 2021 data?