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Saudi Arabia vs Iran population, 1950 to 2100

Iran had 90.61 million people in 2023, versus 33.26 million in Saudi Arabia. Compare UN estimates and projections to 2100.

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What the data shows

  • Saudi Arabia: 1.70M in 1950, 71.01M in 2100 (projected) (42× higher). The latest estimate is 33.26M in 2023.
  • Iran: 16.51M in 1950, 80.05M in 2100 (projected) (4.8× higher). The latest estimate is 90.61M in 2023. It is projected to peak at 102.00M in 2053.

About this chart

The UN projects Saudi Arabia to reach 71.01 million people in 2100, above its 2023 estimate of 33.26 million. At the estimated endpoint, Iran has 90.61 million people against 33.26 million for Saudi Arabia. In 1950, the corresponding totals were 1.70 million for Saudi Arabia and 16.51 million for Iran. All values are population totals, rather than population density or annual growth rates.

By 2100, the UN medium-variant projection reaches 71.01 million people for Saudi Arabia and 80.05 million for Iran. Estimates end in 2023; later values are conditional projections rather than observed counts. Future fertility, mortality and migration can move the eventual totals away from this path. Comparing the same projection variant keeps the two countries on a consistent basis.

The data

Source: UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions of people. Retrieved November 5, 2026. UN estimates through 2023; later years are medium-variant projections, not observed counts.

Saudi Arabia vs Iran population, Millions of people, 1950–2100; projected after 2023, 1950–2100
Date🇸🇦 Saudi Arabia🇮🇷 Iran
19501.70M16.51M
19511.76M16.92M
19521.83M17.34M
19531.89M17.78M
19541.96M18.23M
19552.03M18.70M
19562.11M19.20M
19572.18M19.73M
19582.26M20.27M
19592.35M20.85M
19602.44M21.47M
19612.53M22.13M
19622.62M22.81M
19632.72M23.52M
19642.82M24.26M
19652.93M25.04M
19663.04M25.83M
19673.16M26.63M
19683.28M27.44M
19693.42M28.27M
19703.56M29.15M
19713.72M30.03M
19723.91M30.92M
19734.11M31.84M
19744.32M32.80M
19754.56M33.80M
19764.81M34.84M
19775.08M35.93M
19785.38M37.13M
19795.70M38.42M
19806.05M39.84M
19816.42M41.99M
19826.82M44.27M
19837.25M46.03M
19847.70M47.79M
19858.15M49.58M
19868.63M51.45M
19879.13M53.32M
19889.63M55.07M
198910.13M56.70M
199010.64M58.38M
199111.16M59.99M
199211.69M61.18M
199312.22M61.40M
199412.75M61.52M
199513.29M62.21M
199613.83M62.88M
199714.37M63.64M
199814.92M64.52M
199915.47M65.45M
200016.18M66.42M
200117.04M67.45M
200217.91M68.01M
200318.79M68.77M
200419.67M70.26M
200520.56M71.83M
200621.46M73.39M
200722.37M74.60M
200823.29M75.51M
200924.22M76.46M
201025.16M77.42M
201126.11M78.38M
201227.06M79.37M
201328.03M80.41M
201429.00M81.50M
201529.97M82.62M
201630.72M83.81M
201730.78M85.03M
201830.37M86.12M
201930.47M87.05M
202030.99M87.72M
202131.33M88.46M
202232.18M89.52M
202333.26M90.61M
202433.96M91.57M
202534.57M92.42M
202635.17M93.17M
202735.76M93.84M
202836.34M94.44M
202936.91M94.99M
203037.44M95.49M
203137.96M95.96M
203238.47M96.42M
203338.98M96.85M
203439.50M97.27M
203540.01M97.68M
203640.53M98.08M
203741.05M98.46M
203841.56M98.83M
203942.08M99.18M
204042.59M99.52M
204143.11M99.85M
204243.62M100.17M
204344.13M100.46M
204444.64M100.74M
204545.16M100.99M
204645.67M101.22M
204746.18M101.42M
204846.68M101.60M
204947.19M101.75M
205047.69M101.86M
205148.20M101.94M
205248.70M101.99M
205349.20M102.00M
205449.70M101.97M
205550.20M101.90M
205650.70M101.79M
205751.20M101.64M
205851.69M101.46M
205952.19M101.23M
206052.68M100.97M
206153.17M100.67M
206253.66M100.34M
206354.14M99.98M
206454.62M99.59M
206555.11M99.17M
206655.58M98.72M
206756.06M98.25M
206856.53M97.76M
206957.00M97.24M
207057.46M96.71M
207157.92M96.16M
207258.38M95.59M
207358.84M95.02M
207459.29M94.43M
207559.74M93.84M
207660.18M93.24M
207760.63M92.64M
207861.08M92.04M
207961.52M91.44M
208061.97M90.84M
208162.41M90.25M
208262.86M89.66M
208363.30M89.09M
208463.75M88.51M
208564.20M87.95M
208664.65M87.39M
208765.10M86.85M
208865.56M86.31M
208966.01M85.77M
209066.47M85.25M
209166.92M84.73M
209267.38M84.21M
209367.84M83.70M
209468.29M83.18M
209568.75M82.67M
209669.20M82.15M
209769.66M81.63M
209870.11M81.11M
209970.56M80.58M
210071.01M80.05M

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Frequently asked questions

Which country has more people, Saudi Arabia or Iran?

Iran has more people in the 2023 UN estimates: about 90.61 million, compared with 33.26 million in Saudi Arabia. The gap is approximately 57.34 million.

What populations are projected for 2100?

The UN medium-variant projection gives Saudi Arabia 71.01 million people and Iran 80.05 million in 2100. These values are projections, not current population estimates.

Where do the estimates end and projections begin?

The UN World Population Prospects series uses estimates through 2023. Values from 2024 onward follow its medium-variant projection. Both countries use the same source and scenario.

Where does this data come from?

UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions of people. Retrieved November 5, 2026. UN estimates through 2023; later years are medium-variant projections, not observed counts. You can download the full table as a CSV from this page.

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Related data

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Saudi Arabia's population

Saudi Arabia: 33.26M in 2023; UN projects 71.01M in 2100. The 1950 estimate was 1.7M. Future values follow the medium scenario.

MoneyReal data

Saudi Arabia's GDP

Saudi Arabia GDP reached $1.28T in 2025. Its rank was 14 in 1980 and 19 in 2025. Current US dollars, not real growth.

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Saudi Arabia: life expectancy

Saudi Arabia: 79.0 years in 2024. Life expectancy peaked at 79.0 years in 2024 in this 1990–2024 series.