Guam Population Pyramid 2010
Guam in 2010
As of 2010, Guam counted 166,522 inhabitants. A decade earlier, in 2000, the population was 160,065; it has grown by 4.0% since.
With a median age of 29.0 years, Guam had a youth dependency ratio of 42.3 and an old-age dependency ratio of 10.0 per 100 people of working age. 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 | 166,522 | 29.0 | |
| Kiribati | 108,704 | 21.3 | |
| Micronesia (Fed. States of) | 107,540 | 21.4 |





