South Sudan Population Pyramid 2055
Year
2055South Sudan in 2055
United Nations projections (medium variant) put the population of South Sudan at 19,359,462 in 2055. That would be 12.0% more than in 2045 (17,286,409).
Half of the population would be younger than 27.2 years, with 28.0% children under 15 and 5.6% aged 65 or older. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of South Sudan was 3.86 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 57.6 years in 2023: 60.6 for women and 54.6 for men.
Source: World Bank World Development Indicators, latest available year.
911,341 immigrants live in South Sudan, 7.6% of the population.
| Sudan | 608,817 |
| Uganda | 156,437 |
| D.R. Congo | 97,364 |
| Ethiopia | 13,582 |
| Kenya | 10,153 |
3,168,836 people born in South Sudan live in other countries.
| Sudan | 1,507,976 |
| Uganda | 923,658 |
| Ethiopia | 443,743 |
| Kenya | 114,885 |
| D.R. Congo | 103,594 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| South Sudan | 19,359,463 | 27.2 | |
| Rwanda | 24,159,451 | 28.1 | |
| Burundi | 25,984,925 | 24.7 | |
| Zimbabwe | 27,563,873 | 25.8 | |
| Eritrea | 6,095,239 | 27.4 |





