South Sudan Population Pyramid 1990
Year
1990South Sudan in 1990
In 1990, South Sudan had a total population of 4,737,633 people. That is 9.2% more than in 1980, when the population stood at 4,339,031.
Half of the population was younger than 17.0 years; 45.4% were children under 15 and 2.3% were 65 or older. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
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 | 4,737,633 | 17.0 | |
| Burundi | 5,587,053 | 15.6 | |
| Somalia | 7,082,812 | 16.5 | |
| Rwanda | 7,375,307 | 15.5 | |
| Eritrea | 2,032,737 | 17.6 |





