Sao Tome and Principe Population Pyramid 1990

Sao Tome and Principe
1990
Population: 122,980

Year

-5 -1   1990  +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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Sao Tome and Principe in 1990

As of 1990, Sao Tome and Principe counted 122,980 inhabitants. That is 24.8% more than in 1980, when the population stood at 98,544.

Half of the population was younger than 17.4 years; 45.1% were children under 15 and 4.2% were 65 or older. The broad-based, expansive shape of the pyramid points to high fertility and strong population 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.

Population
122,980
Median age
17.4
0-14 %
45.1%
65+ %
4.2%
Child dependency
88.9
Old-age dependency
8.3
Region
Pyramid shape
Population 2050
365,115
Population 2100
534,014
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
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.

Country Population Median age Relative size
Sao Tome and Principe 122,980 17.4
Equatorial Guinea 474,274 19.7
Gabon 983,734 18.9
Congo 2,380,560 17.7
Central African Republic 2,871,910 17.8
What was the population of Sao Tome and Principe in 1990?
In 1990, Sao Tome and Principe's population was 122,980.
Is the population of Sao Tome and Principe increasing or decreasing?
Yes, growing: up 24.8% from 1980, with a projected population of 365,115 in 2050.
What is the median age in Sao Tome and Principe?
The median age in Sao Tome and Principe is 17.4 years — half the population is younger, half older.
How many children and older people live in Sao Tome and Principe?
4.2% of Sao Tome and Principe's population is 65 or older, and 45.1% is under 15.
What shape is Sao Tome and Principe's population pyramid, and what does it mean?
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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