Guam Population Pyramid 2039
Guam in 2039
United Nations projections (medium variant) put the population of Guam at 182,791 in 2039. Ten years before, in 2029, the projected population is 173,563 — 5.3% lower.
With a projected median age of 34.3 years, Guam would have a youth dependency ratio of 37.0 and an old-age dependency ratio of 30.5 per 100 people of working age. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.
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 | 182,791 | 34.3 | |
| Kiribati | 162,889 | 26.2 | |
| Micronesia (Fed. States of) | 121,212 | 27.4 |





