Population Pyramids of the World from 1950 to 2100

South Sudan Population Pyramid 1955

South Sudan
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1955
Population: 2,705,082

Year

-5 -1   1955  +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 1955

In 1955, South Sudan had a total population of 2,705,082 people. With a median age of 18.7 years, South Sudan had a youth dependency ratio of 78.2 and an old-age dependency ratio of 5.8 per 100 people of working age.

The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #99 of 201 by population Ranks #136 of 201 by median age

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
2,705,082
Median age
18.7
0-14 %
42.5%
65+ %
3.2%
Child dependency
78.2
Old-age dependency
5.8
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 2,705,082 18.7
Zambia 2,703,543 17.3
Rwanda 2,568,299 17.2
Somalia 2,532,254 18.7
Burundi 2,504,650 18.3
Frequently asked questions about South Sudan's population
What was the population of South Sudan in 1955?
South Sudan had a population of 2,705,082 in 1955.
How old is the population of South Sudan?
The median age in South Sudan is 18.7 years — half the population is younger, half older.
What share of South Sudan's population is over 65 or under 15?
In South Sudan, 42.5% of people are under 15 and 3.2% are 65 or older.
What shape is South Sudan's population pyramid, and what does it mean?
South Sudan has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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