Population Pyramids of the World from 1950 to 2100

Guam Population Pyramid 1975

Guam
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1975
Population: 99,056

Year

-5 -1   1975  +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

Guam in 1975

As of 1975, Guam counted 99,057 inhabitants. Over the previous ten years the population grew by 25.5%, up from 78,932 in 1965.

The median age was 20.9 years, and for every 100 people of working age (15–64) there were 60.6 children under 15 and 3.4 people aged 65 or over. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.

Ranks #188 of 201 by population Ranks #67 of 201 by median age Ranks #97 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 Guam
Population
99,057
Median age
20.9
0-14 %
36.9%
65+ %
2.1%
Child dependency
60.6
Old-age dependency
3.4
Region
OCEANIA
Pyramid shape
Expansive
Population 2050
191,459
Population 2100
205,502
What is driving the change
Births per woman
Total fertility rate, 1960–2023
123456
1960Replacement level (2.1)2023 · 2.78

The fertility rate of Guam was 2.78 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
5060708090
19602023 · 77.2

A child born there in 2023 could expect to live 77.2 years on average (81.4 years for girls, 73.4 for boys).

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

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
20406080
19502100
Migration to and from Guam
Where immigrants come from (2024)

77,104 immigrants live in Guam, 46.0% of the population.

Philippines32,415
United States of America20,469
Micronesia (Fed. States of)11,767
Puerto Rico4,367
Republic of Korea2,996
Where emigrants live (2024)

196 people born in Guam live in other countries.

Australia141
Micronesia (Fed. States of)38
Mexico10
Costa Rica7
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Guam compares with its neighbours
Country Population Median age Relative size
Guam 99,057 20.9
Micronesia (Fed. States of) 67,429 15.9
Kiribati 60,987 18.0
Frequently asked questions about Guam's population
How many people lived in Guam in 1975?
Guam had a population of 99,057 in 1975.
Is Guam's population growing or shrinking?
Guam's population grew 25.5% over the previous ten years, and is projected to reach 191,459 by 2050.
How old is the population of Guam?
The median age in Guam is 20.9 years — half the population is younger, half older.
How many children and older people live in Guam?
2.1% of Guam's population is 65 or older, and 36.9% is under 15.
What shape is Guam's population pyramid, and what does it mean?
Guam's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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