Data / Population / Wales

Population in Wales

Population in Wales was 3.18 million in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.1% from 2024.

2025, persons3,175,181
Change on 2024-0.1%
Series high3,177,9492024
Series low3,063,7582011

Population in Wales, 2011 to 2025

3.05M3.08M3.1M3.13M3.15M3.18M3.2M201120142017202020252011: 3,063,758 persons2012: 3,070,928 persons2013: 3,071,058 persons2014: 3,073,788 persons2015: 3,072,739 persons2016: 3,077,165 persons2017: 3,081,366 persons2018: 3,083,840 persons2019: 3,087,732 persons2020: 3,104,483 persons2021: 3,105,633 persons2022: 3,132,730 persons2023: 3,165,075 persons2024: 3,177,949 persons2025: 3,175,181 persons
persons. Source: Office for National Statistics, Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved 2026-10-11, published 2026-07-29.
All 15 values
Periodpersons
20253,175,181
20243,177,949
20233,165,075
20223,132,730
20213,105,633
20203,104,483
20193,087,732
20183,083,840
20173,081,366
20163,077,165
20153,072,739
20143,073,788
20133,071,058
20123,070,928
20113,063,758

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

Office for National Statistics. Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Contains public sector information licensed under the Open Government Licence v3.0. https://www.nomisweb.co.uk/api/v01/dataset/NM_2002_1.data.json?geography=TYPE480,TYPE424&gender=0&c_age=200&measures=20100&time=2011,latest. Retrieved 2026-10-11.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in Wales? Cite the source.
get_value {"indicator":"population","place":"gb-region-w92000004"}
GET https://invokely.ai/api/v1/value?indicator=population&place=gb-region-w92000004

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Questions

What is the population in Wales?

Population in Wales was 3.18 million in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.1% from 2024.

Where does this figure come from?

Office for National Statistics (United Kingdom). Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved by Invokely on 2026-10-11.

What was the highest population in Wales?

3.18 million in 2024, the highest value since 2011 in this series.

Population elsewhere in United Kingdom

Related statistics for Wales

All statistics for Wales