Population in Dublin 17 indicators covering population for Dublin. IndicatorLatest Year10-yr change Rank Demographic balances and indicators by type of projection and NUTS 3 0.1728 % change on previous year 2100 up 162.9% 271st Heat stress - Cities and FUAs — Mean population exposure to heat 0 Days per year 2025 — 1266th Population on 1st January by age, sex, type of projection and NUTS 3 1.86 million Person 2100 down 0.2% 24th Assumptions for net migration by age, sex, type of projection and 2,012 Person 2100 down 8.7% 123rd Assumptions for fertility rates by age, type of projection and NUTS 3 1.72 Number 2100 up 1.2% 636th Population and built-up density - Cities and FUAs — Urbanised area 95 Square kilometres 2030 up 3.3% 120th Live births (total) by NUTS 3 region 15,065 Number 2024 down 25.7% 262nd Population density by NUTS 3 region 1,664 Persons per square kilometre 2024 up 18.8% 142nd Population on 1 January by broad age group, sex and NUTS 3 region 1.56 million Number 2025 up 18.9% 291st Population change - Demographic balance and crude rates at regional 30,603 2024 up 113.8% 46th Population structure indicators by type of projection and NUTS3 region 83.8 2100 up 2.1% 738th Population on 1st January by age group, sex, type of projection and 1.87 million Person 2100 down 1.6% 22nd Assumptions for total fertility rates, type of projection and NUTS 3 1.5 Number 2095 up 1.4% 795th Projected life expectancy at birth, by sex, type of projection and 89.4 Year 2095 up 1.1% 48th Demographic balances by type of projection and NUTS3 region 112,556 2095 down 4.0% 18th Population on 1 January by age group, sex and NUTS 3 region 1.56 million Number 2025 up 18.9% 290th Live births by age group of the mothers and NUTS 3 region 15,065 Number 2024 down 25.7% 262nd