The world in 2100 (projected)

For 1 January 2100, the UN projects 10.2 billion people alive, and 110 million births and 123 million deaths during the year.

That is 1.88 billion more people than in 2026.

The median age is 42.1. 17% of the people are under 15 and 24% are 65 or older.

Life expectancy at birth is 81.7 years, and women have 1.8 children on average at that year’s rates.

Countries with more than 100 million people: 24.

Figures for 2100 are UN projections (medium variant). Estimates end in 2023.

Population, 1 January 2100

10,186,607,670

Median age

42.1

Births in 2100

110,028,472

Deaths in 2100

122,922,340

Life expectancy at birth

81.7

Children per woman

1.84

Under 15

16.5%

65 and over

23.9%