Population Pyramids of the World from 1950 to 2100

Guam Population Pyramid 1999

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
1999
Population: 158,288

Year

-5 -1   1999  +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
Embed this population pyramid ×

Copy the code below and paste it into your website or LMS.

Summary

Guam in 1999

The population of Guam in 1999 was 158,289. A decade earlier, in 1989, the population was 135,800; it has grown by 16.6% since.

The median age was 27.2 years, and for every 100 people of working age (15–64) there were 46.9 children under 15 and 7.9 people aged 65 or over. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #186 of 201 by population Ranks #75 of 201 by median age Ranks #108 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
158,289
Median age
27.2
0-14 %
30.3%
65+ %
5.1%
Child dependency
46.9
Old-age dependency
7.9
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 158,289 27.2
Micronesia (Fed. States of) 111,680 18.7
Kiribati 87,126 19.6
Frequently asked questions about Guam's population
How many people lived in Guam in 1999?
In 1999, Guam's population was 158,289.
Is Guam's population growing or shrinking?
Guam's population grew 16.6% 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 27.2 years — half the population is younger, half older.
What share of Guam's population is over 65 or under 15?
5.1% of Guam's population is 65 or older, and 30.3% 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.

Check our other visualizations

Immigration statistics per countries
Immigration statistics per countries
List of countries ordered by their population size
List of countries ordered by their population size
Origin of the migrants stocks per country
Origin of the migrants stocks per country
Population density per country
Population density per country
Population Projections
Comparison of carbon emissions per country
Population Growth Map per Year
Population Growth Map per Year