Population on 1 January by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland

United Kingdom of Great Britain and Northern Ireland: Population on 1 January by age group, sex and citizenship was 66.65 million Number in 2019. ▲ Rising

Latest (2019)
66.65 million Number
Change on year
up 0.6%
World rank
4th
of 42 countries
All-time high
66.65 million Number
in 2019
All-time low
58.40 million Number
in 2003
Years of data
19
1999–2019

Population on 1 January by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland, 1999–2019

020.0M40.0M60.0M1999200920191999: 58.6M Number2001: 59.0M Number2003: 58.4M Number2004: 58.6M Number2005: 58.7M Number2006: 60.4M Number2007: 60.9M Number2008: 61.2M Number2009: 62.0M Number2010: 62.5M Number2011: 63.0M Number2012: 63.5M Number2013: 63.9M Number2014: 64.4M Number2015: 64.9M Number2016: 65.4M Number2017: 65.8M Number2018: 66.3M Number2019: 66.6M Number

Source: Eurostat. Measured in Number.

Analysis

United Kingdom of Great Britain and Northern Ireland recorded 66.65 million Number for population on 1 january by age group, sex and citizenship in 2019. That is the highest value across all 19 years on record.

That represents a change of up 0.6% on the previous year and up 7.4% over ten years.

Over the whole period, population on 1 january by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland peaked at 66.65 million Number in 2019 and was at its lowest, 58.40 million Number, in 2003.

United Kingdom of Great Britain and Northern Ireland ranks 4th of 42 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 19 years of available data.

Population on 1 January by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland, year by year

Annual values for Population on 1 January by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland, 1999 to 2019.
Year Number Change
1999 58.61 million Number
2001 59.00 million Number +0.7%
2003 58.40 million Number -1.0%
2004 58.55 million Number +0.3%
2005 58.65 million Number +0.2%
2006 60.39 million Number +3.0%
2007 60.85 million Number +0.8%
2008 61.18 million Number +0.5%
2009 62.04 million Number +1.4%
2010 62.51 million Number +0.8%
2011 63.02 million Number +0.8%
2012 63.50 million Number +0.7%
2013 63.91 million Number +0.6%
2014 64.35 million Number +0.7%
2015 64.85 million Number +0.8%
2016 65.38 million Number +0.8%
2017 65.84 million Number +0.7%
2018 66.27 million Number +0.7%
2019 66.65 million Number +0.6%

Averages by decade

DecadeAverage LowestHighest Years
1990s 58.61 million Number 58.61 million Number 58.61 million Number 1
2000s 59.88 million Number 58.40 million Number 62.04 million Number 8
2010s 64.63 million Number 62.51 million Number 66.65 million Number 10

Countries ranked near United Kingdom of Great Britain and Northern Ireland

  1. 1 Türkiye 85.66 million Number compare
  2. 2 Germany 83.58 million Number compare
  3. 3 France 68.88 million Number compare
  4. 4 United Kingdom 66.65 million Number compare
  5. 6 Italy 58.94 million Number compare
  6. 7 Spain 49.13 million Number compare

See the full ranking of 43 places →

More population 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 on 1 january by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland?
Population on 1 january by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland was 66.65 million Number in 2019, according to Eurostat.
What is the highest population on 1 january by age group, sex and citizenship recorded in United Kingdom of Great Britain and Northern Ireland?
The highest recorded value was 66.65 million Number in 2019.
What is the lowest population on 1 january by age group, sex and citizenship recorded in United Kingdom of Great Britain and Northern Ireland?
The lowest recorded value was 58.40 million Number in 2003.
How does United Kingdom of Great Britain and Northern Ireland rank for population on 1 january by age group, sex and citizenship?
United Kingdom of Great Britain and Northern Ireland ranks 4th out of 42 countries with data for 2019.
Is population on 1 january by age group, sex and citizenship rising or falling in United Kingdom of Great Britain and Northern Ireland?
Over the last ten years it is up 7.4%. 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 Eurostat, published as part of Population on 1 January by age group, sex and citizenship. Statizoid updates them automatically from the source API.

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Population on 1 January by age group, sex and citizenship in United Kingdom of Great Britain and Northern Ireland. Statizoid, drawing on Eurostat. Retrieved 06 September 2026, from https://population.statizoid.com/stat/population-on-1-january-by-age-group-sex-and-citizenship/united-kingdom/

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About this data

Indicator
Population on 1 January by age group, sex and citizenship
Unit
Number
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
43 places, 1,053 data points, 1998–2025
Last refreshed