what is the population of uk in 2025
The UK’s population in 2025 was about 69.5 million people according to the official provisional mid-2025 estimate from the Office for National Statistics (ONS). Some other sources give slightly different figures (for example, around 68.2 million or 69.55 million) depending on the exact definition and projection method used.
Official provisional estimate for mid-2025
- The ONS published a provisional population estimate for the UK on 30 June 2025 of 69,487,000 (69.5 million).
- This is based on recent data on births, deaths, and international migration, with an estimated long-term net migration of 204,000 in the year ending 30 June 2025, alongside roughly 653,000 births and 651,000 deaths.
This is the most authoritative and directly relevant figure for “population of the UK in 2025” in a statistical sense.
How other sources compare
Different databases use slightly different methods or reference dates:
Source| 2025 UK population figure| Notes
---|---|---
ONS (provisional mid-2025)| 69,487,000| Official UK statistic, mid-year
estimate on 30 June 2025 2
Macrotrends (midyear estimate)| 68,180,606| Based on de facto population,
midyear estimates 3
World Population Review| 69,551,332| Projection-style figure, used for 2025
calendar year 7
Trading Economics| ~69.5 million| Uses latest census figures plus projections
8
The spread between ~68.2 million and ~69.55 million is due to:
- Different reference dates (mid-year vs. start-of-year vs. modelled projections).
- Whether they use official national statistics or UN/other international projections.
- Updates following Census 2021 rebasing and improved migration data.
Why the numbers differ slightly
- The ONS figure is the official UK government estimate for mid-2025 and is generally the one cited in UK policy and media.
- International databases often rely on UN or other models that may incorporate different assumptions about migration and fertility, leading to slightly higher or lower values.
- The UK’s population has been growing slowly, with recent growth driven mainly by net international migration rather than natural increase (births minus deaths).
Quick take
- If you need a single, official number for “UK population in 2025”: use 69.5 million (69,487,000) from the ONS provisional mid-2025 estimate.
- If you’re comparing across international datasets, you may see values from about 68.2 million to 69.6 million , depending on the source and method.
Information gathered from public forums or data available on the internet and portrayed here.