Among the 19 G20 countries, India had the largest population in October 2024, overtaking China as the most populous country in the world in 2023. Both countries had an estimated population of 1.4 billion people. The number of inhabitants in India is expected to be over 1.5 billion people in 2029, higher than in China at 1.4 billion.
Population of G20 countries in 2024 and projections for 2029
(in millions)
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Population of G20 countries in 2024 and projections for 2029
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The G20 is an international organization whose permanent members are 19 countries and the European Union. Data for the European Union has been excluded due to overlap with G20 members France, Germany, Italy and the United Kingdom.
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IMF. (October 22, 2024). Population of G20 countries in 2024 and projections for 2029 (in millions) [Graph]. In Statista. Retrieved May 13, 2025, from https://www.statista.com/statistics/722968/g20-population-size/
IMF. "Population of G20 countries in 2024 and projections for 2029 (in millions)." Chart. October 22, 2024. Statista. Accessed May 13, 2025. https://www.statista.com/statistics/722968/g20-population-size/
IMF. (2024). Population of G20 countries in 2024 and projections for 2029 (in millions). Statista. Statista Inc.. Accessed: May 13, 2025. https://www.statista.com/statistics/722968/g20-population-size/
IMF. "Population of G20 Countries in 2024 and Projections for 2029 (in Millions)." Statista, Statista Inc., 22 Oct 2024, https://www.statista.com/statistics/722968/g20-population-size/
IMF, Population of G20 countries in 2024 and projections for 2029 (in millions) Statista, https://www.statista.com/statistics/722968/g20-population-size/ (last visited May 13, 2025)
Population of G20 countries in 2024 and projections for 2029 (in millions) [Graph], IMF, October 22, 2024. [Online]. Available: https://www.statista.com/statistics/722968/g20-population-size/
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