Population Pyramids of the World from 1950 to 2100

Sao Tome and Principe Population Pyramid 1997

Sao Tome and Principe
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1997
Population: 138,921

Year

-5 -1   1997  +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 1997

In 1997, Sao Tome and Principe had a total population of 138,922 people. That is 21.9% more than in 1987, when the population stood at 113,920.

Half of the population was younger than 17.4 years; 44.3% were children under 15 and 4.3% were 65 or older. 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 #190 of 201 by population Ranks #168 of 201 by median age Ranks #87 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
138,922
Median age
17.4
0-14 %
44.3%
65+ %
4.3%
Child dependency
86.2
Old-age dependency
8.3
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 138,922 17.4
Equatorial Guinea 616,893 18.9
Gabon 1,181,440 18.9
Congo 2,887,862 18.1
Central African Republic 3,531,700 17.1
Frequently asked questions about Sao Tome and Principe's population
What was the population of Sao Tome and Principe in 1997?
Sao Tome and Principe had a population of 138,922 in 1997.
Is Sao Tome and Principe's population growing or shrinking?
Yes, growing: up 21.9% from 1987, with a projected population of 365,115 in 2050.
How old is the population of Sao Tome and Principe?
Sao Tome and Principe's median age is 17.4 years.
How many children and older people live in Sao Tome and Principe?
4.3% of Sao Tome and Principe's population is 65 or older, and 44.3% is under 15.
What type of population pyramid does Sao Tome and Principe have?
Sao Tome and Principe's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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