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Who are we? · People · UK and nations

How many of us are there, and how old are we?

About 69.5 million people lived in the UK in mid-2025. Compare the four nations and see the age profile of each, from the census.

Evidence last reviewed 31 October 2026

How many people live in each nation?

Population by nation, mid-2025
  • England58.8 million
  • Wales3.2 million
  • Scotland5.5 million
  • Northern Ireland1.9 million

Official estimates for 30 June 2025, including people living in care homes, student halls and other communal places. They are estimates, updated each year from the census, births, deaths and migration.

Population by nation, mid-2025 (persons)
AreaPeopleWomenMen
United Kingdom69,483,93935,446,06234,037,877
England58,834,81229,994,35728,840,455
Wales3,175,1811,620,9181,554,263
Scotland5,545,5002,853,1842,692,316
Northern Ireland1,928,446977,603950,843

For a council area, see its local page, which shows population back to 1991.

Show the workings and sources

How old are we?

Age and sex, Northern Ireland, March 2021

Census, 21 March 2021 · UK comparison tables

MaleAgeFemale
Usual residents by five-year age group and sex, Northern Ireland, March 2021
AgeWomenMen
0–455,37158,449
5–960,79563,683
10–1461,96464,954
15–1955,13958,063
20–2453,87257,509
25–2958,54557,863
30–3464,87061,180
35–3965,58661,727
40–4462,95359,217
45–4961,59060,079
50–5466,94964,019
55–5965,50663,768
60–6457,70555,344
65–6947,15546,309
70–7443,12340,346
75–7935,63130,746
80–8424,80818,966
85 and over25,48313,909
Show the workings and sources

Five-year groups are sums of the published single years of age in the same table. Ages 85 and over are published as one group. Each producer applied its own disclosure control before harmonisation.

Not shown

Population projections, and age profiles for council areas over time. Council-area populations by broad age group are on each local page.

Built from official tables and checked by automated tests; it has not yet had independent analytical review. About these numbers.