Population 202410.75M↑ +109,909 vs 2023
Older Adults (65+)2.61M24.3% of the population
Ageing Index192.4older adults per 100 young people
Median Age47.3years (↑ vs 47.1 in 2023)
Population Evolution by Major Age Group
Source: INE, 2021 Census & 2024 Resident Population Estimates
Ageing Index by Region (NUTS II) — 2024
● < 170 (less aged)● 170-200● > 200 (more aged)
Key Conclusion
Portugal is the 4th most aged country in the world. Center and Alentejo post the highest ageing indexes (229 and 232 respectively). In 2024 there are 192 older adults for every 100 young people — in 1991 there were only 72. Inland municipalities such as Oleiros and Alcoutim reach indexes above 780, over four times the national average.
Sources: Sources: INE — 2021 Census (Final Results, Nov. 2022) · Provisional Resident Population Estimates 2024 (Jun. 2025) · Resident Population Projections 2025-2100, central scenario (Sep. 2025) · PORDATA — Ageing index by municipality · Eurostat — Age structure · Note: municipal projections for 2035 are estimates based on INE NUTS II regional trends applied proportionally to 2024 data.
