Guam Population 2026
Guam is an unincorporated territory of the United States located in the western Pacific Ocean, with a latest population of 167,777 as of 2025. This figure places the island among the smaller territories in the East Asia & Pacific region. The population has grown at a 1-year growth rate of 0.76% in 2025, reflecting modest demographic expansion.
Population Trend (Guam)
Population by Decade
Population milestones
How Guam's population changed across key years (World Bank estimates).
Overview
Guam, classified as a high-income economy within the East Asia & Pacific region, has experienced moderate population trends in recent years. The latest 2025 population stands at 167,777, representing a 1-year growth rate of 0.76%. Over the past decade, however, the average annual growth rate has been only 0.14%, indicating periods of near-stagnation punctuated by recent upticks. This pattern is typical of small island territories where migration, military presence, and natural change can cause year-to-year fluctuations.
The regional context places Guam as a small but strategically important territory. With a high-income classification, its demographic profile is influenced by a stable but aging population, as well as net migration related to military and civilian employment. The 10-year average growth of 0.14% suggests that the territory’s population has been largely stable over the longer term, with the 2025 figure representing a slight acceleration compared to the prior decade.
Demographically, Guam faces challenges common to many small island states: limited land area, dependence on external economic ties, and potential vulnerability to environmental changes. The modest 0.14% annual growth over ten years implies that during some years, growth was very low or negative. The most recent 0.76% increase in 2025 could reflect an uptick from economic recovery or changed migration patterns, though specific drivers are not detailed in the provided data.
Given its population size, Guam ranks 185th globally, underscoring its status as a small entity in world population terms. The combination of high income and low growth rates situates it among developed territories that have transitioned through demographic transition stages, likely with low birth and death rates and a high proportion of working-age adults supported by military and tourism sectors.
Key Facts
- The population of Guam in 2025 is 167,777.
- The 1-year population growth rate for 2025 is 0.76%.
- Over the past 10 years, the average annual growth rate has been 0.14%.
- Guam is classified as a high-income economy in the East Asia & Pacific region.
- Globally, Guam ranks #185 in population size among countries and territories.
- The territory's population has grown at a slower long-term average (0.14%) compared to its most recent year (0.76%).