Population Pyramid of Sri Lanka2024
Total population
23.1M
Median age
34.1
Peak year
2051
Peak population
24.8M
Age & sex distribution over time
1950 · 7.8M · median age 20.9
1980 · 14.8M · median age 21.5
2000 · 19.3M · median age 27.2
2024 · 23.1M · median age 34.1
2050 · 24.8M · median age 41.2
2100 · 21.2M · median age 50.9
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
Sri Lanka presently shows a transitional pyramid, narrowing at the base as fertility declines but still with substantial youth cohorts. The median age in 2024 is 34.1 years.
Age composition
Children under 15 account for 22.0% of the population; people 65 and older account for 12.1%.
Peak population
UN medium-variant projections place Sri Lanka's peak population in 2051.
Long arc
In 1950 the population was 7.8 million with median age 20.9. Projected 2100 values are 21.2 million and median age 50.9.