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Belgium population, 1950 to 2100

Belgium had 11.7 million people in 2023, and the UN projects a plateau near 11.9 million around 2044, easing to 11.1 million by 2100.

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What the data shows

  • Belgium: 8.6M in 1950, 11.1M in 2100 (projected). The latest estimate is 11.7M in 2023. It is projected to peak at 11.9M in 2041.

About this chart

Belgium is still growing, but only just. The population rose from 8.6 million in 1950 to 9.8 million in 1975, 10.3 million in 2000 and 11.7 million in 2023. The UN medium projection adds a little more: about 11.8 million in 2030 and a peak of 11.9 million in 2044, with 2050 at 11.87 million.

After that the decline is slow. The projection reaches about 11.4 million in 2075 and 11.1 million in 2100, still well above the 2000 level. The bigger change is in the ranking: Belgium was 40th in the world in 1950, is 81st in 2023, and is projected to be 92nd in 2050 and 97th in 2100. Source: UN World Population Prospects 2024.

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.

Belgium's population, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇧🇪 Belgium
19508.6M
19518.7M
19528.7M
19538.7M
19548.8M
19558.8M
19568.9M
19578.9M
19589.0M
19599.1M
19609.1M
19619.2M
19629.2M
19639.3M
19649.3M
19659.4M
19669.5M
19679.5M
19689.6M
19699.6M
19709.6M
19719.7M
19729.7M
19739.7M
19749.7M
19759.8M
19769.8M
19779.8M
19789.8M
19799.8M
19809.8M
19819.9M
19829.9M
19839.9M
19849.9M
19859.9M
19869.9M
19879.9M
19889.9M
19899.9M
199010.0M
199110.0M
199210.1M
199310.1M
199410.1M
199510.1M
199610.2M
199710.2M
199810.2M
199910.2M
200010.3M
200110.3M
200210.3M
200310.4M
200410.4M
200510.5M
200610.6M
200710.6M
200810.7M
200910.8M
201010.9M
201111.0M
201211.1M
201311.2M
201411.2M
201511.3M
201611.3M
201711.4M
201811.4M
201911.5M
202011.5M
202111.6M
202211.6M
202311.7M
202411.7M
202511.8M
202611.8M
202711.8M
202811.8M
202911.8M
203011.8M
203111.8M
203211.8M
203311.9M
203411.9M
203511.9M
203611.9M
203711.9M
203811.9M
203911.9M
204011.9M
204111.9M
204211.9M
204311.9M
204411.9M
204511.9M
204611.9M
204711.9M
204811.9M
204911.9M
205011.9M
205111.9M
205211.8M
205311.8M
205411.8M
205511.8M
205611.8M
205711.8M
205811.7M
205911.7M
206011.7M
206111.7M
206211.6M
206311.6M
206411.6M
206511.6M
206611.6M
206711.5M
206811.5M
206911.5M
207011.5M
207111.5M
207211.5M
207311.5M
207411.4M
207511.4M
207611.4M
207711.4M
207811.4M
207911.4M
208011.4M
208111.4M
208211.3M
208311.3M
208411.3M
208511.3M
208611.3M
208711.3M
208811.3M
208911.2M
209011.2M
209111.2M
209211.2M
209311.2M
209411.2M
209511.2M
209611.1M
209711.1M
209811.1M
209911.1M
210011.1M

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Frequently asked questions

What is the population of Belgium?

Belgium had about 11.7 million people in 2023, the latest UN estimate, which ranks 81st in the world. The UN projects about 11.8 million by 2030.

When will Belgium's population peak?

The UN medium projection puts Belgium's peak in 2044 at about 11.9 million people. It then projects a gentle decline to about 11.1 million in 2100. The peak is a projection, and the curve is flat enough that small changes in migration could move the year.

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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