Population in Trieste 13 indicators covering population for Trieste. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.61 Number 2100 up 2.9% 1056th Demographic balances and indicators by type of projection and NUTS 3 r 2,911 2100 down 0.3% 533rd Live births (total) by NUTS 3 region 1,351 Number 2024 down 15.2% 1437th Population density by NUTS 3 region 1,071 Persons per square kilometre 2024 down 4.2% 203rd Population on 1 January by broad age group, sex and NUTS 3 region 227,792 Number 2025 down 2.1% 1309th Population change - Demographic balance and crude rates at regional le 1,402 2024 up 30.5% 902nd Population on 1st January by age group, sex, type of projection and NU 228,212 Person 2100 down 1.3% 516th Population structure indicators by type of projection and NUTS3 region 86.8 2100 up 0.1% 533rd Assumptions for total fertility rates, type of projection and NUTS 3 r 1.42 Number 2095 up 3.0% 1037th Projected life expectancy at birth, by sex, type of projection and NUT 89 Year 2095 up 1.3% 220th Demographic balances by type of projection and NUTS3 region 15,801 2095 up 2.1% 493rd Population on 1 January by age group, sex and NUTS 3 region 227,792 Number 2025 down 2.1% 1308th Live births by age group of the mothers and NUTS 3 region 1,351 Number 2024 down 15.2% 1437th