Population in Sofia (stolitsa) 13 indicators covering population for Sofia (stolitsa). IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.69 Number 2100 up 1.7% 741st Demographic balances and indicators by type of projection and NUTS 3 r 13,892 2100 down 0.4% 53rd Live births (total) by NUTS 3 region 12,025 Number 2024 down 12.9% 333rd Population density by NUTS 3 region 988.9 Persons per square kilometre 2024 down 1.6% 218th Population on 1 January by broad age group, sex and NUTS 3 region 1.30 million Number 2025 up 9.0% 349th Population change - Demographic balance and crude rates at regional le 11,505 2024 down 32.1% 183rd Population on 1st January by age group, sex, type of projection and NU 1.29 million Person 2100 up 0.9% 47th Population structure indicators by type of projection and NUTS3 region 76.3 2100 up 2.7% 1072nd Assumptions for total fertility rates, type of projection and NUTS 3 r 1.58 Number 2095 up 0.8% 516th Projected life expectancy at birth, by sex, type of projection and NUT 85.8 Year 2095 up 2.3% 1094th Demographic balances by type of projection and NUTS3 region 75,220 2095 down 6.1% 47th Population on 1 January by age group, sex and NUTS 3 region 1.30 million Number 2025 up 9.0% 348th Live births by age group of the mothers and NUTS 3 region 12,025 Number 2024 down 12.9% 333rd