Population in Arr. Nivelles 13 indicators covering population for Arr. Nivelles. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.69 Number 2100 up 1.7% 749th Demographic balances and indicators by type of projection and NUTS 3 r 4,553 2100 down 1.9% 324th Live births (total) by NUTS 3 region 3,268 Number 2024 down 16.7% 885th Population density by NUTS 3 region 379.1 Persons per square kilometre 2024 up 5.2% 427th Population on 1 January by broad age group, sex and NUTS 3 region 416,504 Number 2025 up 5.6% 854th Population change - Demographic balance and crude rates at regional le 1,759 2024 down 23.7% 787th Population on 1st January by age group, sex, type of projection and NU 437,033 Person 2100 down 1.6% 240th Population structure indicators by type of projection and NUTS3 region 84.9 2100 up 0.5% 664th Assumptions for total fertility rates, type of projection and NUTS 3 r 1.55 Number 2095 up 1.2% 685th Projected life expectancy at birth, by sex, type of projection and NUT 89.2 Year 2095 up 1.2% 121st Demographic balances by type of projection and NUTS3 region 27,105 2095 up 0.1% 257th Population on 1 January by age group, sex and NUTS 3 region 416,504 Number 2025 up 5.6% 853rd Live births by age group of the mothers and NUTS 3 region 3,268 Number 2024 down 16.7% 885th