Population Pyramids of the World from 1950 to 2100

South Sudan Population Pyramid 1975

South Sudan
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1975
Population: 3,821,493

Year

-5 -1   1975  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

South Sudan in 1975

The population of South Sudan in 1975 was 3,821,494. Over the previous ten years the population grew by 19.8%, up from 3,189,835 in 1965.

With a median age of 17.4 years, South Sudan had a youth dependency ratio of 86.0 and an old-age dependency ratio of 4.4 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.

Ranks #104 of 201 by population Ranks #147 of 201 by median age Ranks #126 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for South Sudan
Population
3,821,494
Median age
17.4
0-14 %
45.2%
65+ %
2.3%
Child dependency
86.0
Old-age dependency
4.4
Region
AFRICA
Pyramid shape
Expansive
Population 2050
18,341,974
Population 2100
23,840,773
What is driving the change
Births per woman
Total fertility rate, 1960–2023
12345678
1960Replacement level (2.1)2023 · 3.86

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
Years, 1960–2023
Total Women Men
010203040506070
19602023 · 57.6

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.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
255075100
19502100
Migration to and from South Sudan
Where immigrants come from (2024)

911,341 immigrants live in South Sudan, 7.6% of the population.

Sudan608,817
Uganda156,437
D.R. Congo97,364
Ethiopia13,582
Kenya10,153
Where emigrants live (2024)

3,168,836 people born in South Sudan live in other countries.

Sudan1,507,976
Uganda923,658
Ethiopia443,743
Kenya114,885
D.R. Congo103,594
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How South Sudan compares with its neighbours
Country Population Median age Relative size
South Sudan 3,821,494 17.4
Burundi 3,796,612 17.0
Somalia 4,257,536 17.7
Rwanda 4,607,728 16.4
Zambia 4,990,086 15.5
Frequently asked questions about South Sudan's population
How many people lived in South Sudan in 1975?
South Sudan had a population of 3,821,494 in 1975.
Is the population of South Sudan increasing or decreasing?
South Sudan's population grew 19.8% over the previous ten years, and is projected to reach 18,341,974 by 2050.
How old is the population of South Sudan?
South Sudan's median age is 17.4 years.
How many children and older people live in South Sudan?
In South Sudan, 45.2% of people are under 15 and 2.3% are 65 or older.
What type of population pyramid does South Sudan have?
South Sudan has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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