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 19.05 million in 2025. ▲ Rising

Latest (2025)
19.05 million
Change on year
up 0.8%
World rank
21st
of 121 countries
All-time high
19.05 million
in 2025
All-time low
14.60 million
in 1981
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

05.0M10.0M15.0M20.0M196019922025

Source: World Urbanization Prospects 2018, United Nations (UN).

Analysis

The most recent figure for population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland is 19.05 million, measured in 2025. That is the highest value across all 66 years on record.

The figure is up 0.8% on the previous year and up 10.3% 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 19.05 million in 2025 and was at its lowest, 14.60 million, in 1981.

United Kingdom of Great Britain and Northern Ireland ranks 21st of 121 countries on this measure, in the top quarter.

The long-run direction has been consistently rising 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 in United Kingdom of Great Britain and Northern Ireland, 1960 to 2025.
Year Value Change
1960 16.46 million
1961 16.45 million -0.1%
1962 16.36 million -0.5%
1963 16.28 million -0.5%
1964 16.20 million -0.5%
1965 16.12 million -0.5%
1966 16.04 million -0.5%
1967 15.97 million -0.5%
1968 15.89 million -0.5%
1969 15.81 million -0.5%
1970 15.73 million -0.5%
1971 15.65 million -0.5%
1972 15.54 million -0.7%
1973 15.43 million -0.7%
1974 15.31 million -0.7%
1975 15.21 million -0.7%
1976 15.10 million -0.7%
1977 14.99 million -0.7%
1978 14.88 million -0.7%
1979 14.78 million -0.7%
1980 14.67 million -0.7%
1981 14.60 million -0.5%
1982 14.60 million +0.0%
1983 14.60 million +0.0%
1984 14.61 million +0.0%
1985 14.61 million +0.0%
1986 14.61 million +0.0%
1987 14.61 million +0.0%
1988 14.62 million +0.0%
1989 14.62 million +0.0%
1990 14.62 million +0.0%
1991 14.67 million +0.3%
1992 14.72 million +0.3%
1993 14.77 million +0.3%
1994 14.82 million +0.3%
1995 14.87 million +0.3%
1996 14.92 million +0.4%
1997 14.98 million +0.4%
1998 15.03 million +0.4%
1999 15.08 million +0.4%
2000 15.14 million +0.4%
2001 15.20 million +0.4%
2002 15.29 million +0.6%
2003 15.39 million +0.6%
2004 15.49 million +0.6%
2005 15.59 million +0.6%
2006 15.68 million +0.6%
2007 15.86 million +1.1%
2008 16.04 million +1.1%
2009 16.21 million +1.1%
2010 16.40 million +1.1%
2011 16.58 million +1.1%
2012 16.75 million +1.0%
2013 16.93 million +1.0%
2014 17.10 million +1.0%
2015 17.28 million +1.0%
2016 17.46 million +1.0%
2017 17.65 million +1.0%
2018 17.83 million +1.1%
2019 18.02 million +1.0%
2020 18.20 million +1.0%
2021 18.38 million +1.0%
2022 18.56 million +1.0%
2023 18.73 million +0.9%
2024 18.90 million +0.9%
2025 19.05 million +0.8%

Averages by decade

DecadeAverage LowestHighest Years
1960s 16.16 million 15.81 million 16.46 million 10
1970s 15.26 million 14.78 million 15.73 million 10
1980s 14.62 million 14.60 million 14.67 million 10
1990s 14.85 million 14.62 million 15.08 million 10
2000s 15.59 million 15.14 million 16.21 million 10
2010s 17.20 million 16.40 million 18.02 million 10
2020s 18.64 million 18.20 million 19.05 million 6

Countries ranked near United Kingdom of Great Britain and Northern Ireland

  1. 18 Iran, Islamic Republic of 23.31 million compare
  2. 19 Argentina 20.28 million compare
  3. 20 Viet Nam 20.22 million compare
  4. 22 Canada 18.32 million compare
  5. 23 Saudi Arabia 18.19 million compare
  6. 24 Philippines 17.26 million compare

See the full ranking of 121 places →

More urban development 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 19.05 million 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 19.05 million in 2025.
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 14.60 million in 1981.
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 21st 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 10.3%. The long-run trend across the full record is rising.
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. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 66 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

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 08 September 2026, from https://urban.statizoid.com/stat/population-in-urban-agglomerations-of-more-than-1-million/united-kingdom/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://urban.statizoid.com/stat/population-in-urban-agglomerations-of-more-than-1-million/united-kingdom/">Population in urban agglomerations of more than 1 million in United Kingdom of Great Britain and Northern Ireland</a> — Statizoid

About this data

Indicator
Population in urban agglomerations of more than 1 million
Source
World Urbanization Prospects 2018, United Nations (UN)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
121 places, 7,986 data points, 1960–2025
Last refreshed

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