Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland

United Kingdom of Great Britain and Northern Ireland: Population in urban agglomerations of more than 1 million was 27.4% in 2025. ▼ Falling

Latest (2025)
27.4%
Change on year
up 0.5%
World rank
42nd
of 121 countries
All-time high
31.4%
in 1960
All-time low
25.5%
in 1991
Years of data
66
1960–2025

Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland, 1960–2025

0102030196019922025

Source: World Urbanization Prospects 2018, United Nations (UN). Measured in % of total population.

Analysis

In 2025, population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland stood at 27.4%.

Compared with earlier readings it is up 0.5% on the previous year and up 3.3% over ten years.

Over the whole period, population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland peaked at 31.4% in 1960 and was at its lowest, 25.5%, in 1991.

That places United Kingdom of Great Britain and Northern Ireland 42nd out of 121 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently falling across the 66 years of available data.

Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland, year by year

Annual values for Population in urban agglomerations of more than 1 million (% of total population) in United Kingdom of Great Britain and Northern Ireland, 1960 to 2025.
Year % of total population Change
1960 31.4%
1961 31.1% -0.8%
1962 30.7% -1.3%
1963 30.4% -1.2%
1964 30.0% -1.1%
1965 29.7% -1.1%
1966 29.4% -1.0%
1967 29.1% -1.0%
1968 28.8% -1.0%
1969 28.5% -0.9%
1970 28.3% -0.9%
1971 28.0% -0.9%
1972 27.7% -1.1%
1973 27.5% -0.9%
1974 27.2% -0.8%
1975 27.0% -0.7%
1976 26.9% -0.7%
1977 26.7% -0.7%
1978 26.5% -0.7%
1979 26.3% -0.8%
1980 26.1% -0.8%
1981 25.9% -0.6%
1982 25.9% +0.1%
1983 25.9% -0.0%
1984 25.9% -0.1%
1985 25.8% -0.2%
1986 25.8% -0.2%
1987 25.7% -0.2%
1988 25.7% -0.2%
1989 25.6% -0.2%
1990 25.5% -0.3%
1991 25.5% -0.0%
1992 25.6% +0.1%
1993 25.6% +0.1%
1994 25.6% +0.1%
1995 25.6% +0.1%
1996 25.7% +0.1%
1997 25.7% +0.1%
1998 25.7% +0.1%
1999 25.7% +0.0%
2000 25.7% -0.0%
2001 25.7% +0.0%
2002 25.8% +0.2%
2003 25.8% +0.2%
2004 25.8% +0.1%
2005 25.8% -0.1%
2006 25.8% -0.1%
2007 25.9% +0.3%
2008 25.9% +0.3%
2009 26.0% +0.4%
2010 26.1% +0.3%
2011 26.2% +0.3%
2012 26.3% +0.3%
2013 26.4% +0.4%
2014 26.5% +0.3%
2015 26.6% +0.3%
2016 26.6% +0.2%
2017 26.8% +0.5%
2018 26.9% +0.6%
2019 27.0% +0.5%
2020 27.3% +0.9%
2021 27.4% +0.6%
2022 27.4% -0.0%
2023 27.3% -0.4%
2024 27.3% -0.2%
2025 27.4% +0.5%

United Kingdom of Great Britain and Northern Ireland compared with similar countries

  • United Kingdom of Great Britain and Northern Ireland's 27.4% is below the median for high income countries, which is 28.3%, 97% of the median. (40 countries reporting)
  • United Kingdom of Great Britain and Northern Ireland's 27.4% is above the median for Europe & Central Asia, which is 21.8%, 1.3× the median. (31 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1960s 29.9% 28.5% 31.4% 10
1970s 27.2% 26.3% 28.3% 10
1980s 25.8% 25.6% 26.1% 10
1990s 25.6% 25.5% 25.7% 10
2000s 25.8% 25.7% 26.0% 10
2010s 26.5% 26.1% 27.0% 10
2020s 27.4% 27.3% 27.4% 6

Countries ranked near United Kingdom of Great Britain and Northern Ireland

  1. 39 Costa Rica 29.2% compare
  2. 40 Ecuador 28.8% compare
  3. 41 Georgia 27.6% compare
  4. 43 Belgium 26.9% compare
  5. 44 Syrian Arab Republic 26.5% compare
  6. 45 Haiti 26.3% compare

See the full ranking of 158 places →

More climate change data for United Kingdom of Great Britain and Northern Ireland

All data for United Kingdom of Great Britain and Northern Ireland →

Frequently asked questions

What is population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland?
Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland was 27.4% in 2025, according to World Urbanization Prospects 2018, United Nations (UN).
What is the highest population in urban agglomerations of more than 1 million recorded in United Kingdom of Great Britain and Northern Ireland?
The highest recorded value was 31.4% in 1960.
What is the lowest population in urban agglomerations of more than 1 million recorded in United Kingdom of Great Britain and Northern Ireland?
The lowest recorded value was 25.5% in 1991.
How does United Kingdom of Great Britain and Northern Ireland rank for population in urban agglomerations of more than 1 million?
United Kingdom of Great Britain and Northern Ireland ranks 42nd out of 121 countries with data for 2025.
Is population in urban agglomerations of more than 1 million rising or falling in United Kingdom of Great Britain and Northern Ireland?
Over the last ten years it is up 3.3%. The long-run trend across the full record is falling.
Where does this United Kingdom of Great Britain and Northern Ireland data come from?
The figures come from World Urbanization Prospects 2018, United Nations (UN), published as part of Population in urban agglomerations of more than 1 million (% of total population). Statizoid updates them automatically from the source API.

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Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 16 September 2026, from https://climate.statizoid.com/stat/population-in-urban-agglomerations-of-more-than-1-million-percent-of-total-population/united-kingdom/

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About this data

Indicator
Population in urban agglomerations of more than 1 million (% of total population)
Unit
% of total population
Source
World Urbanization Prospects 2018, United Nations (UN)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
158 places, 10,428 data points, 1960–2025
Last refreshed

Population in urban agglomerations of more than one million is the percentage of a country's population living in metropolitan areas that in 2018 had a population of more than one million people.