Population Pyramids of the World from 1950 to 2100

Guam Population Pyramid 2009

Guam
Afghanistan Africa Albania Algeria Angola Antigua and Barbuda Argentina Armenia Aruba Asia Australia Australia/New Zealand Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia (Plurinational State of) Bosnia and Herzegovina Botswana Brazil Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Caribbean Central African Republic Central America Central Asia Chad Channel Islands Chile China China, Hong Kong SAR China, Macao SAR Colombia Comoros Congo Costa Rica Croatia Cuba Curaçao Cyprus Czech Republic Côte d'Ivoire Dem. People's Republic of Korea Democratic Republic of the Congo Denmark Djibouti Dominican Republic Eastern Africa Eastern Asia Eastern Europe Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Europe Fiji Finland France French Guiana French Polynesia Gabon Gambia Georgia Germany Ghana Greece Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyzstan Lao People's Democratic Republic Latin America and the Caribbean Latvia Least developed countries Lebanon Lesotho Less developed regions Less developed regions, excluding China Less developed regions, excluding least developed countries Liberia Libya Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Melanesia Mexico Micronesia Micronesia (Fed. States of) Middle Africa Mongolia Montenegro More developed regions Morocco Mozambique Myanmar Namibia Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Northern Africa Northern America Northern Europe Norway Oceania Oman Other non-specified areas Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Polynesia Portugal Puerto Rico Qatar Republic of Korea Republic of Moldova Romania Russian Federation Rwanda Réunion Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South America South Sudan South-Central Asia South-Eastern Asia Southern Africa Southern Asia Southern Europe Spain Sri Lanka State of Palestine Sub-Saharan Africa Sudan Suriname Swaziland Sweden Switzerland Syrian Arab Republic TFYR Macedonia Tajikistan Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine United Arab Emirates United Kingdom United Republic of Tanzania United States Virgin Islands United States of America Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Viet Nam Western Africa Western Asia Western Europe Western Sahara World Yemen Zambia Zimbabwe
2009
Population: 166,172

Year

-5 -1   2009  +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 2009

In 2009, Guam had a total population of 166,173 people. A decade earlier, in 1999, the population was 158,289; it has grown by 5.0% since.

With a median age of 28.9 years, Guam had a youth dependency ratio of 42.8 and an old-age dependency ratio of 9.7 per 100 people of working age. 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 #81 of 201 by median age Ranks #153 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
166,173
Median age
28.9
0-14 %
28.1%
65+ %
6.4%
Child dependency
42.8
Old-age dependency
9.7
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 166,173 28.9
Micronesia (Fed. States of) 107,958 21.3
Kiribati 106,467 21.2
Frequently asked questions about Guam's population
What was the population of Guam in 2009?
In 2009, Guam's population was 166,173.
Is the population of Guam increasing or decreasing?
Yes, growing: up 5.0% from 1999, with a projected population of 191,459 in 2050.
What is the median age in Guam?
Guam's median age is 28.9 years.
How many children and older people live in Guam?
6.4% of Guam's population is 65 or older, and 28.1% is under 15.
What type of population pyramid does Guam have?
Guam's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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