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United Kingdom population, 1950 to 2100

The UK had about 68.7 million people in 2023. The UN projects a peak near 76.1 million in 2072, then a dip to 74.3 million by 2100.

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What the data shows

  • United Kingdom: 50.1M in 1950, 74.3M in 2100 (projected). The latest estimate is 68.7M in 2023. It is projected to peak at 76.1M in 2072.

About this chart

The United Kingdom grew slowly for decades and then picked up. The UN estimates about 50.1 million people in 1950, 56.2 million in 1975 and 59.1 million in 2000, then a jump to about 68.7 million in 2023. Even so, the UK's world rank fell from 9th in 1950 to 21st in 2023 as larger countries grew faster.

The UN's medium projection has the total still rising for decades: about 71.3 million in 2030, 75.5 million in 2050 and a peak of roughly 76.1 million in 2072. A mild decline follows, to about 74.3 million in 2100. The projected rank is 26th in 2050 and 34th in 2100. Figures are from UN World Population Prospects 2024, with projections after 2023.

The data

Source: UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026.

United Kingdom's population, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇬🇧 United Kingdom
195050.1M
195150.4M
195250.5M
195350.7M
195451.0M
195551.2M
195651.4M
195751.7M
195851.9M
195952.2M
196052.5M
196152.9M
196253.3M
196353.7M
196454.0M
196554.4M
196654.7M
196755.0M
196855.2M
196955.5M
197055.7M
197155.9M
197256.1M
197356.2M
197456.2M
197556.2M
197656.2M
197756.2M
197856.2M
197956.2M
198056.3M
198156.3M
198256.3M
198356.3M
198456.5M
198556.6M
198656.8M
198756.9M
198857.0M
198957.2M
199057.4M
199157.6M
199257.7M
199357.9M
199458.0M
199558.2M
199658.3M
199758.5M
199858.6M
199958.8M
200059.1M
200159.3M
200259.5M
200359.8M
200460.2M
200560.6M
200661.1M
200761.5M
200862.0M
200962.5M
201063.0M
201163.5M
201264.0M
201364.4M
201464.9M
201565.4M
201665.9M
201766.4M
201866.8M
201967.1M
202067.4M
202167.7M
202268.2M
202368.7M
202469.1M
202569.6M
202669.9M
202770.3M
202870.6M
202971.0M
203071.3M
203171.6M
203271.9M
203372.1M
203472.4M
203572.7M
203672.9M
203773.1M
203873.4M
203973.6M
204073.8M
204174.0M
204274.2M
204374.4M
204474.6M
204574.8M
204674.9M
204775.1M
204875.2M
204975.4M
205075.5M
205175.6M
205275.7M
205375.8M
205475.9M
205575.9M
205676.0M
205776.0M
205876.0M
205976.0M
206076.0M
206176.0M
206276.0M
206376.0M
206476.0M
206576.0M
206676.0M
206776.0M
206876.0M
206976.0M
207076.1M
207176.1M
207276.1M
207376.1M
207476.1M
207576.1M
207676.0M
207776.0M
207876.0M
207976.0M
208076.0M
208175.9M
208275.9M
208375.9M
208475.8M
208575.7M
208675.7M
208775.6M
208875.5M
208975.5M
209075.4M
209175.3M
209275.2M
209375.1M
209475.0M
209574.9M
209674.8M
209774.7M
209874.6M
209974.4M
210074.3M

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Frequently asked questions

What is the population of the United Kingdom?

The United Kingdom's population was about 68.7 million in 2023, the latest UN estimate. That ranked it 21st in the world. Years after 2023 are projections.

When will the UK's population peak?

The UN projects that the UK's population will peak at about 76.1 million in 2072. It is then projected to ease to about 74.3 million by 2100. This is a medium-variant projection.

Where does this data come from?

UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026. You can download the full table as a CSV from this page.

Can I turn this chart into a video?

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