Population Pyramids of the World from 1950 to 2100

Sao Tome and Principe Population Pyramid 2099

Sao Tome and Principe
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2099
Population: 532,659

Year

-5 -1   2099  +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

Sao Tome and Principe in 2099

By 2099, the population of Sao Tome and Principe is expected to reach 532,660. That would be 3.7% more than in 2089 (513,627).

Half of the population would be younger than 38.1 years, with 19.6% children under 15 and 17.8% aged 65 or older. The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.

Ranks #173 of 201 by population Ranks #154 of 201 by median age Ranks #42 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 Sao Tome and Principe
Population
532,660
Median age
38.1
0-14 %
19.6%
65+ %
17.8%
Child dependency
31.2
Old-age dependency
28.4
Region
AFRICA
Pyramid shape
Stationary
Population 2050
365,115
Population 2100
534,014
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.64

In 2023 women in Sao Tome and Principe had on average 3.64 children, above the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
304050607080
19602023 · 69.7

A child born there in 2023 could expect to live 69.7 years on average (73.7 years for girls, 66.2 for boys).

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 Sao Tome and Principe
Where immigrants come from (2024)

1,905 immigrants live in Sao Tome and Principe, 0.8% of the population.

Cabo Verde1,115
Angola292
Gabon192
Equatorial Guinea118
Portugal95
Where emigrants live (2024)

41,433 people born in Sao Tome and Principe live in other countries.

Portugal23,121
Angola7,062
Gabon7,058
Equatorial Guinea1,936
Cabo Verde1,893
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Sao Tome and Principe compares with its neighbours
Country Population Median age Relative size
Sao Tome and Principe 532,660 38.1
Equatorial Guinea 4,981,039 35.8
Gabon 6,859,975 35.8
Central African Republic 18,703,140 33.7
Congo 19,887,450 34.0
Frequently asked questions about Sao Tome and Principe's population
How many people are projected to live in Sao Tome and Principe in 2099?
Sao Tome and Principe is projected to have a population of 532,660 in 2099.
Is Sao Tome and Principe's population growing or shrinking?
Sao Tome and Principe's population grew 3.7% over the previous ten years, and is projected to reach 365,115 by 2050.
How old is the population of Sao Tome and Principe?
The median age in Sao Tome and Principe is 38.1 years — half the population is younger, half older.
How many children and older people live in Sao Tome and Principe?
17.8% of Sao Tome and Principe's population is 65 or older, and 19.6% is under 15.
What type of population pyramid does Sao Tome and Principe have?
Sao Tome and Principe has a stationary pyramid: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level.

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