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Ranked: The Most Populous Countries in 2025, 2050, and 2100

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Key Takeaways India and China will likely remain the most populous countries till 2100. However several African countries will climb the ranks over the next few decades. These estimates come from the UN World Population Prospects 2024. .key-takeaways { background: #F8F9FA; border-left: 4px solid #2A6338; padding: 15px; margin: 20px 0; border-radius: 5px; } .key-takeaways h3 { margin-top: 0; color: #2A6338; font-weight: bold; } .key-takeaways ul { padding-left: 20px; } .key-takeaways li { margin-bottom: 5px; }

In 2023, India overtook China to lead the list of most populous countries in the world.

By looking at data on trends in fertility, deaths, and migration, the UN is able to project population figures for the world by the year 2100.

China Will Hold #2 Population Rank Despite Dramatic Fall

India is expected to retain it’s #1 ranking as the largest country by the end of this century.

Meanwhile, despite its population halving over the next 75 years, China is still expected to be the second-most populous country in 2100.

Rank202520502100 1 India (1.46B) India (1.68B) India (1.51B) 2 China (1.41B) China (1.26B) China (633M) 3 U.S. (347M) U.S. (381M) Pakistan (511M) 4 Indonesia (286M) Pakistan (372M) Nigeria (477M) 5 Pakistan (255M) Nigeria (359M) DRC (431M) 6 Nigeria (238M) Indonesia (321M) U.S. (421M) 7 Brazil (213M) Ethiopia (225M) Ethiopia (367M) 8 Bangladesh (176M) DRC (218M) Indonesia (296M) 9 Russia (144M) Brazil (217M) Tanzania (263M) 10 Ethiopia (136M) Bangladesh (215M) Bangladesh (209M) 11 Mexico (132M) Egypt (162M) Egypt (202M) 12 Japan (123M) Mexico (149M) Brazil (163M) 13 Egypt (118M) Russia (136M) Angola (150M) 14 Philippines (117M) Philippines (134M) Sudan (137M) 15 DRC (113M) Tanzania (130M) Mexico (130M)

China’s projected population crash has garnered a lot of attention for the last decade. Enough of it for the country to remove it’s One Child Policy in an attempt to