South Sudan, the world’s youngest nation, has undergone significant demographic shifts since 1950. With a population of just 2.49 million in 1950, it has expanded to about 11.9 million in 2024. Despite decades of conflict and economic challenges, South Sudan’s population continues to grow rapidly. Projections suggest that by 2100, the country could reach a population of nearly 24 million people, more than double its current size.
Historical Population Growth (1950–2024)
South Sudan’s population history shows consistent growth despite political and humanitarian struggles:
- 1950s–1970s: The population rose from 2.49 million in 1950 to 4.1 million in 1978, with growth fueled by high fertility rates.
- 1980s–1990s: By 1990, South Sudan had around 4.7 million residents, reflecting slow but steady growth.
- 2000s–2024: Growth accelerated in the 21st century, with the population reaching 11.9 million in 2024, nearly five times the 1950 figure.
This rapid expansion highlights the country’s youthful age structure and high birth rates.
Future Population Projections for South Sudan (2025–2100)
Looking ahead, South Sudan is projected to continue growing significantly:
- 2030: ~13.4 million
- 2050: ~18.3 million
- 2075: ~22.7 million
- 2100: ~23.8 million
By the end of the century, South Sudan’s population is expected to more than double compared to 2024, making population management and infrastructure development crucial for stability and prosperity.
FAQ
The estimated population of South Sudan in 2024 is 11.9 million.
The population grew from 2.49 million in 1950 to 11.9 million in 2024, nearly a fivefold increase.
By 2050, the population is projected to reach approximately 18.3 million people.
Yes, growth is expected to continue, reaching nearly 24 million by 2100, though at a slower pace.
Key drivers include high fertility rates, a youthful population structure, urban migration, and improvements in healthcare.
Source:
United Nations. World Population Prospects 2024.

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