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Sri Lanka population, 1950 to 2100

Sri Lanka had about 23.0 million people in 2023. The UN projects a peak near 24.8 million in 2051, then a decline to 21.3 million by 2100.

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What the data shows

  • Sri Lanka: 7.8M in 1950, 21.3M in 2100 (projected) (2.7× higher). The latest estimate is 23.0M in 2023. It is projected to peak at 24.8M in 2049.

About this chart

Sri Lanka's population grew from about 7.8 million in 1950 to 13.6 million in 1975, 19.3 million in 2000 and 23.0 million in 2023, according to UN estimates. Its world rank drifted down over the period, from 44th in 1950 to 61st in 2023, as faster-growing countries passed it, even though the island itself kept gaining people.

The medium projection has the island adding only about 1.8 million more people before it tops out at roughly 24.8 million in 2051. After that it expects a gradual decline, to about 23.8 million in 2075 and 21.3 million in 2100. The projected rank is 67th in 2050 and 74th in 2100. Figures are from UN World Population Prospects 2024, with projections beginning 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.

Sri Lanka's population, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇱🇰 Sri Lanka
19507.8M
19518.0M
19528.1M
19538.3M
19548.5M
19558.6M
19568.8M
19579.0M
19589.2M
19599.4M
19609.7M
19619.9M
196210.1M
196310.4M
196410.7M
196510.9M
196611.2M
196711.5M
196811.7M
196912.0M
197012.3M
197112.6M
197212.8M
197313.1M
197413.3M
197513.6M
197613.8M
197714.1M
197814.3M
197914.6M
198014.9M
198115.1M
198215.3M
198315.4M
198415.4M
198515.5M
198615.7M
198715.9M
198816.1M
198916.3M
199016.4M
199116.5M
199216.7M
199317.0M
199417.3M
199517.6M
199617.9M
199718.3M
199818.6M
199918.9M
200019.3M
200119.6M
200219.8M
200320.0M
200420.1M
200520.2M
200620.4M
200720.5M
200820.6M
200920.8M
201020.9M
201121.0M
201221.2M
201321.4M
201421.6M
201521.7M
201621.9M
201722.1M
201822.3M
201922.4M
202022.6M
202122.7M
202222.8M
202323.0M
202423.1M
202523.2M
202623.4M
202723.5M
202823.6M
202923.7M
203023.8M
203123.9M
203224.0M
203324.0M
203424.1M
203524.2M
203624.3M
203724.3M
203824.4M
203924.5M
204024.5M
204124.6M
204224.6M
204324.7M
204424.7M
204524.7M
204624.8M
204724.8M
204824.8M
204924.8M
205024.8M
205124.8M
205224.8M
205324.8M
205424.8M
205524.8M
205624.8M
205724.7M
205824.7M
205924.7M
206024.7M
206124.6M
206224.6M
206324.6M
206424.5M
206524.5M
206624.4M
206724.3M
206824.3M
206924.2M
207024.2M
207124.1M
207224.1M
207324.0M
207423.9M
207523.8M
207623.8M
207723.7M
207823.6M
207923.5M
208023.4M
208123.3M
208223.2M
208323.1M
208423.1M
208522.9M
208622.8M
208722.7M
208822.6M
208922.5M
209022.4M
209122.3M
209222.2M
209322.1M
209422.0M
209521.8M
209621.7M
209721.6M
209821.5M
209921.4M
210021.3M

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Frequently asked questions

What is the population of Sri Lanka?

Sri Lanka's population was about 23.0 million in 2023, the latest UN estimate. That ranked it 61st in the world. Years after 2023 are projections.

When will Sri Lanka's population peak?

The UN projects that Sri Lanka's population will peak at about 24.8 million in 2051. It is then projected to fall to about 21.3 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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