Population in Bologna 19 indicators covering population for Bologna. IndicatorLatest Year10-yr change Rank Demographic balances and indicators by type of projection and NUTS 3 -0.0372 % change on previous year 2100 down 109.8% 533rd Heat stress - Cities and FUAs — Mean population exposure to heat 95.34 Days per year 2025 up 3.1% 254th Population on 1st January by age, sex, type of projection and NUTS 3 1.09 million Person 2100 down 0.1% 67th Assumptions for net migration by age, sex, type of projection and 4,189 Person 2100 down 4.4% 26th Assumptions for fertility rates by age, type of projection and NUTS 3 1.65 Number 2100 up 2.4% 934th Population by age and sex - Cities and FUAs 390,098 Persons 2024 up 1.8% 327th Population by citizenship - Cities and FUAs 15.2 Percentage of population 2025 up 5.6% 99th Population and built-up density - Cities and FUAs — Urbanised area 20 Square kilometres 2030 up 5.3% 524th Live births (total) by NUTS 3 region 6,573 Number 2024 down 20.5% 514th Population density by NUTS 3 region 277.1 Persons per square kilometre 2024 up 0.5% 547th Population on 1 January by broad age group, sex and NUTS 3 region 1.02 million Number 2025 up 1.8% 424th Population change - Demographic balance and crude rates at regional 7,842 2024 up 31.5% 262nd Population structure indicators by type of projection and NUTS3 region 83.9 2100 down 0.8% 730th Population on 1st January by age group, sex, type of projection and 1.17 million Person 2100 down 0.6% 54th Demographic balances by type of projection and NUTS3 region 76,665 2095 up 4.1% 43rd Projected life expectancy at birth, by sex, type of projection and 89.4 Year 2095 up 1.1% 48th Assumptions for total fertility rates, type of projection and NUTS 3 1.43 Number 2095 up 2.9% 1004th Population on 1 January by age group, sex and NUTS 3 region 1.02 million Number 2025 up 1.8% 423rd Live births by age group of the mothers and NUTS 3 region 6,573 Number 2024 down 20.5% 514th