Population in Cagliari 14 indicators covering population for Cagliari. IndicatorLatest Year10-yr change Rank Heat stress - Cities and FUAs — Mean population exposure to heat 63.53 Days per year 2025 up 42.3% 461st Population by age and sex - Cities and FUAs 215,920 Persons 2024 down 2.8% 575th Population by citizenship - Cities and FUAs 5.4 Percentage of population 2025 up 42.1% 366th Population and built-up density - Cities and FUAs — Urbanised area 10 Square kilometres 2030 up 11.1% 859th Live births (total) by NUTS 3 region 1,819 Number 2024 down 41.5% 1264th Population on 1 January by broad age group, sex and NUTS 3 region 417,532 Number 2025 down 2.1% 851st Population change - Demographic balance and crude rates at regional 1,040 2024 up 239.9% 1045th Population on 1st January by age group, sex, type of projection and 223,226 Person 2100 down 8.0% 520th Population structure indicators by type of projection and NUTS3 region 106.7 2100 down 5.1% 27th Assumptions for total fertility rates, type of projection and NUTS 3 1.22 Number 2095 up 6.3% 1160th Projected life expectancy at birth, by sex, type of projection and 89.2 Year 2095 up 1.1% 121st Demographic balances by type of projection and NUTS3 region 20,960 2095 down 5.1% 353rd Population on 1 January by age group, sex and NUTS 3 region 417,532 Number 2025 down 2.1% 850th Live births by age group of the mothers and NUTS 3 region 1,819 Number 2024 down 41.5% 1265th