Guam Population Pyramid 2000
Guam in 2000
As of 2000, Guam counted 160,065 inhabitants. That is 15.5% more than in 1990, when the population stood at 138,610.
The median age was 27.3 years, and for every 100 people of working age (15–64) there were 46.9 children under 15 and 8.1 people aged 65 or over. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
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.
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.
77,104 immigrants live in Guam, 46.0% of the population.
| Philippines | 32,415 |
| United States of America | 20,469 |
| Micronesia (Fed. States of) | 11,767 |
| Puerto Rico | 4,367 |
| Republic of Korea | 2,996 |
196 people born in Guam live in other countries.
| Australia | 141 |
| Micronesia (Fed. States of) | 38 |
| Mexico | 10 |
| Costa Rica | 7 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Guam | 160,065 | 27.3 | |
| Micronesia (Fed. States of) | 112,044 | 18.9 | |
| Kiribati | 88,613 | 19.7 |





