HistoryData

Population Pyramid of Tonga2024

Total population
104K
Median age
21.9
Peak year
2100
Peak population
118K

Age & sex distribution over time

1950 · 50K · median age 17.7
Population pyramid: Tonga, 1950. Total population 50 thousand, median age 17.7. 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+MaleFemale1950
1980 · 98K · median age 17.4
Population pyramid: Tonga, 1980. Total population 98 thousand, median age 17.4. 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 · 103K · median age 20.3
Population pyramid: Tonga, 2000. Total population 103 thousand, median age 20.3. 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 · 104K · median age 21.9
Population pyramid: Tonga, 2024. Total population 104 thousand, median age 21.9. 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 · 105K · median age 27.5
Population pyramid: Tonga, 2050. Total population 105 thousand, median age 27.5. 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 · 118K · median age 41.4
Population pyramid: Tonga, 2100. Total population 118 thousand, median age 41.4. 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+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

Tonga presently shows an expansive pyramid with a young median age, characteristic of the early demographic transition — fertility remains high while mortality has fallen. The median age in 2024 is 21.9 years.

Age composition

Children under 15 account for 35.4% of the population; people 65 and older account for 6.7%.

Peak population

UN medium-variant projections place Tonga's peak population in 2100.

Long arc

In 1950 the population was 0.0 million with median age 17.7. Projected 2100 values are 0.1 million and median age 41.4.