Population in Barcelona 13 indicators covering population for Barcelona. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.62 Number 2100 up 2.8% 1020th Demographic balances and indicators by type of projection and NUTS 3 r 79,128 2100 up 4.8% 2nd Live births (total) by NUTS 3 region 39,034 Number 2024 down 25.5% 76th Population density by NUTS 3 region 767.2 Persons per square kilometre 2024 up 8.7% 261st Population on 1 January by broad age group, sex and NUTS 3 region 5.96 million Number 2025 up 9.3% 45th Population change - Demographic balance and crude rates at regional le 92,058 2024 up 743.5% 9th Population on 1st January by age group, sex, type of projection and NU 8.17 million Person 2100 down 0.7% 2nd Population structure indicators by type of projection and NUTS3 region 83.1 2100 up 2.1% 803rd Assumptions for total fertility rates, type of projection and NUTS 3 r 1.4 Number 2095 up 3.3% 1080th Projected life expectancy at birth, by sex, type of projection and NUT 89.4 Year 2095 up 1.1% 48th Demographic balances by type of projection and NUTS3 region 509,750 2095 up 6.4% 2nd Population on 1 January by age group, sex and NUTS 3 region 5.96 million Number 2025 up 9.3% 44th Live births by age group of the mothers and NUTS 3 region 39,034 Number 2024 down 25.5% 76th