Population in Bielefeld, Kreisfreie Stadt 13 indicators covering population for Bielefeld, Kreisfreie Stadt. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.69 2100 up 1.4% 771st Demographic balances and indicators by type of projection and NUTS 3 3,557 2100 down 3.3% 428th Live births (total) by NUTS 3 region 3,108 2024 down 2.4% 922nd Population density by NUTS 3 region 1,280 2024 up 0.7% 173rd Population on 1 January by broad age group, sex and NUTS 3 region 331,605 2025 up 0.6% 1013th Population change - Demographic balance and crude rates at regional 739 2024 down 34.6% 1199th Population on 1st January by age group, sex, type of projection and 304,176 2100 up 0.0% 360th Population structure indicators by type of projection and NUTS3 region 73.4 2100 up 1.5% 1110th Assumptions for total fertility rates, type of projection and NUTS 3 1.52 2095 up 1.3% 772nd Projected life expectancy at birth, by sex, type of projection and 88.3 2095 up 1.6% 583rd Demographic balances by type of projection and NUTS3 region 15,518 2095 down 2.9% 499th Population on 1 January by age group, sex and NUTS 3 region 331,605 2025 up 0.6% 1012th Live births by age group of the mothers and NUTS 3 region 3,108 2024 down 2.4% 922nd