Population in South West

Population in South West was 5.91 million in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.4% from 2024.

2025, persons5,906,997
Change on 2024+0.4%
Series high5,906,9972025
Series low5,300,8312011

Population in South West, 2011 to 2025

5.2M5.4M5.6M5.8M6M201120142017202020252011: 5,300,831 persons2012: 5,336,343 persons2013: 5,374,783 persons2014: 5,422,159 persons2015: 5,471,487 persons2016: 5,526,982 persons2017: 5,574,666 persons2018: 5,609,701 persons2019: 5,642,792 persons2020: 5,661,990 persons2021: 5,712,822 persons2022: 5,768,198 persons2023: 5,831,300 persons2024: 5,884,551 persons2025: 5,906,997 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
20255,906,997
20245,884,551
20235,831,300
20225,768,198
20215,712,822
20205,661,990
20195,642,792
20185,609,701
20175,574,666
20165,526,982
20155,471,487
20145,422,159
20135,374,783
20125,336,343
20115,300,831

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 South West? Cite the source.
get_value {"indicator":"population","place":"gb-region-e12000009"}
GET https://invokely.ai/api/v1/value?indicator=population&place=gb-region-e12000009

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in South West?

Population in South West was 5.91 million in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.4% 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 South West?

5.91 million in 2025, the highest value since 2011 in this series.

Population elsewhere in United Kingdom

Related statistics for South West

All statistics for South West