Population in Thessaloniki 17 indicators covering population for Thessaloniki. IndicatorLatest Year10-yr change Rank Demographic balances and indicators by type of projection and NUTS 3 -0.407 % change on previous year 2100 down 3.8% 942nd Heat stress - Cities and FUAs — Mean population exposure to heat 96.99 Days per year 2025 up 14.0% 249th Population on 1st January by age, sex, type of projection and NUTS 3 759,701 Person 2100 down 2.2% 114th Assumptions for net migration by age, sex, type of projection and 2,565 Person 2100 up 5.9% 76th Assumptions for fertility rates by age, type of projection and NUTS 3 1.62 Number 2100 up 2.6% 1022nd Population and built-up density - Cities and FUAs — Urbanised area 27 Square kilometres 2030 unchanged 432nd Live births (total) by NUTS 3 region 7,025 Number 2024 down 27.4% 492nd Population density by NUTS 3 region 304.6 Persons per square kilometre 2024 up 0.1% 509th Population on 1 January by broad age group, sex and NUTS 3 region 1.08 million Number 2025 down 3.1% 408th Population change - Demographic balance and crude rates at regional 2,186 2024 up 138.6% 682nd Population structure indicators by type of projection and NUTS3 region 85.7 2100 down 2.4% 601st Population on 1st January by age group, sex, type of projection and 775,203 Person 2100 down 2.9% 98th Assumptions for total fertility rates, type of projection and NUTS 3 1.42 Number 2095 up 2.8% 1037th Projected life expectancy at birth, by sex, type of projection and 88.7 Year 2095 up 1.4% 361st Demographic balances by type of projection and NUTS3 region 54,278 2095 down 2.3% 91st Population on 1 January by age group, sex and NUTS 3 region 1.08 million Number 2025 down 3.1% 407th Live births by age group of the mothers and NUTS 3 region 7,025 Number 2024 down 27.4% 492nd