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
Population pyramid: Guam, 1950. Total population 61 thousand, median age 23. Male and female age-band distribution in 5-year cohorts.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
Population pyramid: Guam, 1980. Total population 110 thousand, median age 22.4. Male and female age-band distribution in 5-year cohorts.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
Population pyramid: Guam, 2000. Total population 160 thousand, median age 27.3. Male and female age-band distribution in 5-year cohorts.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
Population pyramid: Guam, 2024. Total population 168 thousand, median age 32.4. Male and female age-band distribution in 5-year cohorts.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
Population pyramid: Guam, 2050. Total population 191 thousand, median age 35.7. Male and female age-band distribution in 5-year cohorts.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
Population pyramid: Guam, 2100. Total population 206 thousand, median age 46.3. Male and female age-band distribution in 5-year cohorts.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
Average height
Adult height in Guam by birth year