Population by age groups in United Kingdom
United Kingdom: Population by age groups was 69.55 million in 2025. ▲ Rising
Latest (2025)
69.55 million
Change on year
up 0.6%
World rank
6th
of 74 countries
All-time high
69.55 million
in 2025
All-time low
59.06 million
in 2000
Years of data
26
2000–2025
Population by age groups in United Kingdom, 2000–2025
Source: UNICEF.
Analysis
United Kingdom recorded 69.55 million for population by age groups in 2025. That is the highest value across all 26 years on record.
The figure is up 0.6% on the previous year and up 6.4% over ten years.
Over the whole period, population by age groups in United Kingdom peaked at 69.55 million in 2025 and was at its lowest, 59.06 million, in 2000.
United Kingdom ranks 6th of 74 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 26 years of available data.
Population by age groups in United Kingdom, year by year
| Year | Value | Change |
|---|---|---|
| 2000 | 59.06 million | — |
| 2001 | 59.29 million | +0.4% |
| 2002 | 59.54 million | +0.4% |
| 2003 | 59.82 million | +0.5% |
| 2004 | 60.17 million | +0.6% |
| 2005 | 60.60 million | +0.7% |
| 2006 | 61.05 million | +0.8% |
| 2007 | 61.54 million | +0.8% |
| 2008 | 62.03 million | +0.8% |
| 2009 | 62.51 million | +0.8% |
| 2010 | 63.01 million | +0.8% |
| 2011 | 63.51 million | +0.8% |
| 2012 | 63.96 million | +0.7% |
| 2013 | 64.39 million | +0.7% |
| 2014 | 64.87 million | +0.7% |
| 2015 | 65.38 million | +0.8% |
| 2016 | 65.89 million | +0.8% |
| 2017 | 66.35 million | +0.7% |
| 2018 | 66.75 million | +0.6% |
| 2019 | 67.11 million | +0.5% |
| 2020 | 67.35 million | +0.4% |
| 2021 | 67.67 million | +0.5% |
| 2022 | 68.18 million | +0.8% |
| 2023 | 68.68 million | +0.7% |
| 2024 | 69.14 million | +0.7% |
| 2025 | 69.55 million | +0.6% |
United Kingdom compared with similar countries
- United Kingdom's 69.55 million is above the median for high income countries, which is 5.99 million, 11.6× the median. (41 countries reporting)
- United Kingdom's 69.55 million is above the median for Europe & Central Asia, which is 7.30 million, 9.5× the median. (51 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 60.56 million | 59.06 million | 62.51 million | 10 |
| 2010s | 65.12 million | 63.01 million | 67.11 million | 10 |
| 2020s | 68.43 million | 67.35 million | 69.55 million | 6 |
Countries ranked near United Kingdom
More population data for United Kingdom
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 71,685 Persons (2050)
- Un population 2024 vs 2022, annual growth rate -0.0706 % change on previous year (2100)
- Population long run with projections, annual growth rate -0.1791 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate 0.1389 % change on previous year (2050)
- Population regions with projections, annual growth rate -0.1791 % change on previous year (2100)
- Population growth rate, by level of development -0.2% (2100)
- Number of children under 5, by world region 3.21 million people (2100)
- Population density 307.14 people per km² (2100)
- World population growth -0.2% (2100)
- Projected population under age 5, annual growth rate -0.169 % change on previous year (2100)
Frequently asked questions
- What is population by age groups in United Kingdom?
- Population by age groups in United Kingdom was 69.55 million in 2025, according to UNICEF.
- What is the highest population by age groups recorded in United Kingdom?
- The highest recorded value was 69.55 million in 2025.
- What is the lowest population by age groups recorded in United Kingdom?
- The lowest recorded value was 59.06 million in 2000.
- How does United Kingdom rank for population by age groups?
- United Kingdom ranks 6th out of 74 countries with data for 2025.
- Is population by age groups rising or falling in United Kingdom?
- Over the last ten years it is up 6.4%. The long-run trend across the full record is rising.
- Where does this United Kingdom data come from?
- The figures come from UNICEF, published as part of Population by age groups. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 26 observations, free to reuse under UNICEF Terms of Use (attribution required).