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Ireland population, 1950 to 2100

Ireland had 5.2 million people in 2023, and the UN projects a peak of about 6.0 million in 2053 and 5.3 million by 2100.

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What the data shows

  • Ireland: 2.91M in 1950, 5.29M in 2100 (projected) (1.8× higher). The latest estimate is 5.20M in 2023. It is projected to peak at 5.98M in 2053.

About this chart

Ireland's recent growth stands out against its own history. The population was 2.9 million in 1950, 3.2 million in 1975 and 3.8 million in 2000, so it added only about 0.6 million over the first 25 of those years. Since 2000 it has added about 1.4 million, reaching 5.2 million in 2023.

The UN medium projection has the climb continuing for three more decades, to about 5.5 million in 2030 and a peak of about 5.98 million in 2053, with 2050 at 5.97 million. It then eases to about 5.7 million in 2075 and 5.3 million in 2100. Ireland ranked 90th in 1950, is 122nd in 2023, and is projected at 121st in 2050 and 126th 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.

Ireland's population, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇮🇪 Ireland
19502.91M
19512.94M
19522.94M
19532.93M
19542.92M
19552.90M
19562.88M
19572.87M
19582.85M
19592.84M
19602.83M
19612.83M
19622.83M
19632.84M
19642.86M
19652.87M
19662.89M
19672.91M
19682.92M
19692.94M
19702.96M
19712.99M
19723.04M
19733.08M
19743.13M
19753.18M
19763.23M
19773.28M
19783.33M
19793.38M
19803.42M
19813.45M
19823.48M
19833.50M
19843.52M
19853.53M
19863.54M
19873.54M
19883.53M
19893.51M
19903.51M
19913.53M
19923.56M
19933.58M
19943.59M
19953.61M
19963.64M
19973.67M
19983.71M
19993.75M
20003.80M
20013.86M
20023.93M
20033.99M
20044.07M
20054.16M
20064.27M
20074.39M
20084.49M
20094.53M
20104.56M
20114.58M
20124.60M
20134.63M
20144.66M
20154.70M
20164.75M
20174.81M
20184.87M
20194.93M
20204.98M
20215.03M
20225.11M
20235.20M
20245.26M
20255.31M
20265.36M
20275.40M
20285.45M
20295.49M
20305.53M
20315.56M
20325.60M
20335.63M
20345.66M
20355.69M
20365.71M
20375.74M
20385.77M
20395.79M
20405.82M
20415.84M
20425.86M
20435.88M
20445.90M
20455.92M
20465.93M
20475.94M
20485.95M
20495.96M
20505.97M
20515.97M
20525.98M
20535.98M
20545.98M
20555.97M
20565.97M
20575.97M
20585.96M
20595.95M
20605.93M
20615.92M
20625.91M
20635.90M
20645.89M
20655.87M
20665.86M
20675.84M
20685.82M
20695.81M
20705.79M
20715.78M
20725.76M
20735.74M
20745.73M
20755.71M
20765.69M
20775.68M
20785.66M
20795.65M
20805.63M
20815.62M
20825.61M
20835.60M
20845.59M
20855.57M
20865.56M
20875.54M
20885.53M
20895.51M
20905.49M
20915.48M
20925.46M
20935.44M
20945.42M
20955.40M
20965.38M
20975.36M
20985.33M
20995.31M
21005.29M

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Frequently asked questions

What is the population of Ireland?

Ireland had about 5.2 million people in 2023, the latest UN estimate, which ranks 122nd in the world. The UN projects about 5.5 million by 2030.

When will Ireland's population peak?

The UN medium projection puts Ireland's peak in 2053 at about 5.98 million people, followed by a decline to about 5.3 million by 2100. The peak is a projection, and for a country of this size migration can shift it.

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.

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