HistoryData

Population Pyramid of Sao Tome and Principe2024

Total population
236K
Median age
20.3
Peak year
2100
Peak population
534K

Age & sex distribution over time

195019802000202420502100
1950 · 61K · median age 24.7
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1950
1980 · 99K · median age 17.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale1980
2000 · 144K · median age 17.9
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2000
2024 · 236K · median age 20.3
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2024
2050 · 365K · median age 25.9
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485–8990–9495–99100+MaleFemale2050
2100 · 534K · median age 38.3
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

Sao Tome and Principe 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 20.3 years.

Age composition

Children under 15 account for 37.8% of the population; people 65 and older account for 3.9%.

Peak population

UN medium-variant projections place Sao Tome and Principe's peak population in 2100.

Long arc

In 1950 the population was 0.1 million with median age 24.7. Projected 2100 values are 0.5 million and median age 38.3.

More about Sao Tome and Principe

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