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United Kingdom · region of England

South West England population 2026

South West England has 5,906,997 people on the latest official figure, for mid-2025, 22,446 more than a year earlier (+0.38%). It is 6th of the UK’s 9 English regions by population, home to 8.5% of the UK’s people.

If last year’s change continues: about 5.9 million by 1 July 2026. That is our arithmetic, not an official figure.

South West England in numbers

Population
5.9 million mid-2025
Change in a year
+0.38% +22,446 people
Change since 2020
+4.33% from 5.7 million
Share of the UK
8.5% 6th of 9 English regions
Population density
248per km² 23,836 km²
Births in the year
47 thousand deaths: 61 thousand
International migration
+11 thousand net arrivals from abroad
Moves within the UK
+25 thousand more people moved in than left

In the latest year deaths outnumbered births by 14,420, 11,311 more people arrived from abroad than left, and 25,093 more people moved in from the rest of the UK than moved out.

That is about as many people as Singapore (5.9 million).

Population of South West England by year

Population of South West England
5.9M
› Show the numbers as a table
YearPopulation
20115,300,831
20125,336,343
20135,374,783
20145,422,159
20155,471,487
20165,526,982
20175,574,666
20185,609,701
20195,642,792
20205,661,990
20215,712,822
20225,768,198
20235,831,300
20245,884,551
20255,906,997
YearPopulationChange
2025 5,906,997 +22,446
2024 5,884,551 +53,251
2023 5,831,300 +63,102
2022 5,768,198 +55,376
2021 5,712,822 +50,832
2020 5,661,990 +19,198
2019 5,642,792 +33,091
2018 5,609,701 +35,035
2017 5,574,666 +47,684
2016 5,526,982 +55,495
2015 5,471,487 +49,328
2014 5,422,159 +47,376
2013 5,374,783 +38,440
2012 5,336,343 +35,512
2011 5,300,831 –

South West England among the UK’s English regions

Full ranking →
English regions of the UK by population
#
1 South East England9,691,844+0.55%
2 London9,122,909−0.29%
3 North West England7,772,854+0.73%
4 East of England6,613,801+0.65%
5 West Midlands6,205,854+0.39%
6 South West England5,906,997+0.38%
7 Yorkshire and the Humber5,672,166+0.28%
8 East Midlands5,085,641+0.50%
9 North East England2,762,746+0.51%

Largest cities in South West England

City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.

  1. Bristol479,024
  2. Plymouth260,203
  3. Swindon201,669
  4. Bournemouth163,600
  5. Gloucester132,416
  6. Exeter130,709

Questions

What is the population of South West England in 2026?

The latest official figure is 5,906,997, for mid-2025 (Office for National Statistics). If last year’s change continues, South West England would have about 5.9 million people by 1 July 2026; that is our arithmetic, not an official figure. The ONS publishes new mid-year estimates once a year.

Is South West England’s population growing or shrinking?

It grew by 22,446 people (+0.38%) in the latest year, and has changed +4.33% since 2020. In the latest year deaths outnumbered births by 14,420, 11,311 more people arrived from abroad than left, and 25,093 more people moved in from the rest of the UK than moved out.

How does South West England rank in the UK?

South West England is 6th of the UK’s 9 English regions, with 8.5% of the people. South East England is the largest, with 9.7 million.

What is the population density of South West England?

About 248 people per km², on 23,836 km². Standard area measurements, ONS.

What is the largest city in South West England?

Bristol, with about 479 thousand people in the city proper. Metro areas are larger, and years differ (GeoNames).

Source and method

Office for National Statistics, mid-year population estimates. Open Government Licence v3.0. Standard area measurements, ONS. The ONS publishes new mid-year estimates once a year. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for the UK, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.

Cite this page: South West England population, Office for National Statistics, mid-2025. GlobeMetrics, https://globemetrics.org/world-population/united-kingdom/south-west-england/

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