Population Pyramids of the World from 1950 to 2100

Tonga Population Pyramid 1966

Tonga
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1966
Population: 78,002

Year

-5 -1   1966  +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

Tonga in 1966

The population of Tonga in 1966 was 78,002. A decade earlier, in 1956, the population was 59,099; it has grown by 32.0% since.

The median age was 17.0 years, and for every 100 people of working age (15–64) there were 90.1 children under 15 and 6.1 people aged 65 or over. 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 #161 of 201 by median age Ranks #67 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 Tonga
Population
78,002
Median age
17.0
0-14 %
45.9%
65+ %
3.1%
Child dependency
90.1
Old-age dependency
6.1
Region
OCEANIA
Pyramid shape
Expansive
Population 2050
105,195
Population 2100
117,871
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.13

The fertility rate of Tonga was 3.13 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
50607080
19602023 · 72.9

Life expectancy at birth was 72.9 years in 2023: 76.4 for women and 69.4 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 Tonga
Where immigrants come from (2024)

998 immigrants live in Tonga, 1.0% of the population.

Fiji450
Samoa208
India169
China109
Japan62
Where emigrants live (2024)

51,894 people born in Tonga live in other countries.

New Zealand29,981
Australia19,464
Fiji1,389
Guinea901
Samoa57
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Tonga compares with its neighbours
Country Population Median age Relative size
Tonga 78,003 17.0
French Polynesia 99,320 17.4
Samoa 131,073 14.5
Frequently asked questions about Tonga's population
What was the population of Tonga in 1966?
Tonga had a population of 78,002 in 1966.
Is the population of Tonga increasing or decreasing?
Yes, growing: up 32.0% from 1956, with a projected population of 105,195 in 2050.
How old is the population of Tonga?
Tonga's median age is 17.0 years.
How many children and older people live in Tonga?
In Tonga, 45.9% of people are under 15 and 3.1% are 65 or older.
What shape is Tonga's population pyramid, and what does it mean?
Tonga's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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