The world in 2027 (projected)
For 1 January 2027, the UN projects 8.34 billion people alive, and 133 million births and 64.6 million deaths during the year.
That is 68.4 million more people than in 2026.
The median age is 31.3. 24% of the people are under 15 and 11% are 65 or older.
Life expectancy at birth is 73.9 years, and women have 2.2 children on average at that year’s rates.
Countries with more than 100 million people: 16.
Figures for 2027 are UN projections (medium variant). Estimates end in 2023.
- Population, 1 January 2027
- 8,335,111,500
- Median age
- 31.3
- Births in 2027
- 132,590,971
- Deaths in 2027
- 64,625,684
- Life expectancy at birth
- 73.9
- Children per woman
- 2.22
- Under 15
- 23.9%
- 65 and over
- 10.7%
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The most populous countries
| Country | Population | Under 15 | 65 and over |
|---|---|---|---|
| India | 1,482,955,442 | 23.6% | 7.7% |
| China | 1,411,369,625 | 14.5% | 15.2% |
| United States | 349,892,943 | 16.8% | 19.1% |
| Indonesia | 288,953,311 | 23.7% | 7.9% |
| Pakistan | 261,363,212 | 35.6% | 4.5% |
| Nigeria | 244,895,915 | 39.8% | 3.1% |
| Brazil | 213,923,212 | 19.0% | 12.1% |
| Bangladesh | 178,879,550 | 27.2% | 6.9% |
| Russia | 143,229,395 | 16.6% | 18.6% |
| Ethiopia | 140,624,780 | 38.4% | 3.4% |
Development and urbanisation
| Indicator | Latest value | Year |
|---|---|---|
| Living in cities | 45.1% | 2027, projected |
| People using the internet | 73.6% | 2025 |
| Access to electricity | 91.9% | 2024 |
| Adult literacy (ages 15 and over) | 87.7% | 2024 |
| 91.5% | 2024 | |
| 82.2% | 2024 | |
| 75.4% | 2024 | |
| Human Development Index | 0.756 | 2023 |
Values observed in 2027, or in the closest earlier year within five years, shown with that year. The share in cities is a UN estimate to 2025 and a projection after. Sources: World Bank WDI, UNDP HDR, UN WUP 2025.
Sources: World Population Prospects 2024, UN DESA Population Division (CC BY 3.0 IGO).