HistoryData

Population Pyramid of Guam2024

Total population
168K
Median age
32.4
Peak year
2090
Peak population
207K

Age & sex distribution over time

195019802000202420502100
1950 · 61K · median age 23
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1950
1980 · 110K · median age 22.4
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1980
2000 · 160K · median age 27.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2000
2024 · 168K · median age 32.4
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2024
2050 · 191K · median age 35.7
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2050
2100 · 206K · median age 46.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2100

Source: UN World Population Prospects 2024 Revision (CC BY 3.0 IGO). Values in thousands. Years after 2024 are medium-variant projections.

Key insights

Demographic profile

Guam presently shows a transitional pyramid, narrowing at the base as fertility declines but still with substantial youth cohorts. The median age in 2024 is 32.4 years.

Age composition

Children under 15 account for 26.0% of the population; people 65 and older account for 12.6%.

Peak population

UN medium-variant projections place Guam's peak population in 2090.

Long arc

In 1950 the population was 0.1 million with median age 23. Projected 2100 values are 0.2 million and median age 46.3.

More about Guam

Population history
Guam's population over time
Famous people
Notable figures from Guam
GDP history
Economic output of Guam
Life expectancy
Longevity in Guam
Inflation history
Price changes in Guam
Fertility rate
Births per woman in Guam