Population in Marne 13 indicators covering population for Marne. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.78 Number 2100 up 0.5% 254th Demographic balances and indicators by type of projection and NUTS 3 r 6,202 2100 up 0.7% 207th Live births (total) by NUTS 3 region 5,146 Number 2024 down 25.3% 623rd Population density by NUTS 3 region 68.9 Persons per square kilometre 2024 down 2.0% 1383rd Population on 1 January by broad age group, sex and NUTS 3 region 558,750 Number 2025 down 2.4% 684th Population change - Demographic balance and crude rates at regional le -1,909 2024 down 228.0% 1854th Population on 1st January by age group, sex, type of projection and NU 500,651 Person 2100 down 1.3% 204th Population structure indicators by type of projection and NUTS3 region 81 2100 up 0.1% 924th Assumptions for total fertility rates, type of projection and NUTS 3 r 1.65 Number 2095 up 0.2% 181st Projected life expectancy at birth, by sex, type of projection and NUT 88.7 Year 2095 up 1.4% 365th Demographic balances by type of projection and NUTS3 region 28,755 2095 down 0.8% 236th Population on 1 January by age group, sex and NUTS 3 region 558,750 Number 2025 down 2.4% 683rd Live births by age group of the mothers and NUTS 3 region 5,146 Number 2024 down 25.3% 623rd