Population Pyramids of the World from 1950 to 2100

Sao Tome and Principe Population Pyramid 1957

Sao Tome and Principe
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1957
Population: 65,871

Year

-5 -1   1957  +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 1957

The population of Sao Tome and Principe in 1957 was 65,871. With a median age of 23.7 years, Sao Tome and Principe had a youth dependency ratio of 51.6 and an old-age dependency ratio of 5.6 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 #188 of 201 by population Ranks #49 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 Sao Tome and Principe
Population
65,871
Median age
23.7
0-14 %
32.8%
65+ %
3.5%
Child dependency
51.6
Old-age dependency
5.6
Region
AFRICA
Pyramid shape
Expansive
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 65,871 23.7
Equatorial Guinea 255,915 22.4
Gabon 497,070 27.7
Congo 980,199 19.2
Central African Republic 1,613,277 20.9
Frequently asked questions about Sao Tome and Principe's population
How many people lived in Sao Tome and Principe in 1957?
Sao Tome and Principe had a population of 65,871 in 1957.
What is the median age in Sao Tome and Principe?
The median age in Sao Tome and Principe is 23.7 years — half the population is younger, half older.
What share of Sao Tome and Principe's population is over 65 or under 15?
In Sao Tome and Principe, 32.8% of people are under 15 and 3.5% are 65 or older.
What type of population pyramid does Sao Tome and Principe have?
Sao Tome and Principe has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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