Population Pyramids of the World from 1950 to 2100

Guam Population Pyramid 1966

Guam
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1966
Population: 80,843

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

Guam in 1966

In 1966, Guam had a total population of 80,843 people. That is 24.4% more than in 1956, when the population stood at 64,970.

With a median age of 19.3 years, Guam had a youth dependency ratio of 68.1 and an old-age dependency ratio of 2.7 per 100 people of working age. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.

Ranks #187 of 201 by population Ranks #92 of 201 by median age Ranks #107 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
80,843
Median age
19.3
0-14 %
39.9%
65+ %
1.6%
Child dependency
68.1
Old-age dependency
2.7
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 80,844 19.3
Kiribati 54,425 17.9
Micronesia (Fed. States of) 52,258 16.6
Frequently asked questions about Guam's population
How many people lived in Guam in 1966?
Guam had a population of 80,843 in 1966.
Is Guam's population growing or shrinking?
Guam's population grew 24.4% over the previous ten years, and is projected to reach 191,459 by 2050.
What is the median age in Guam?
The median age in Guam is 19.3 years — half the population is younger, half older.
How many children and older people live in Guam?
1.6% of Guam's population is 65 or older, and 39.9% is under 15.
What shape is Guam's population pyramid, and what does it mean?
Guam has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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