01As of 2023, Ukraine's total population is estimated at 37,893,000, marking a 10.5% decline since 2020 due to war-related emigration and casualties.
02Ukraine's median age in 2023 is 45.2 years, one of the highest in Europe, reflecting low birth rates and high life expectancy pre-war.
03Ethnic Ukrainians comprise 77.8% of the population according to the 2001 census, with Russians at 17.3% and other minorities including Belarusians, Moldovans, Crimean Tatars.
04The urban population of Ukraine stands at 69.6% as of 2023, with major cities like Kyiv (2.95 million) and Kharkiv (1.43 million) heavily impacted by conflict.
05Ukraine's total fertility rate in 2022 was 1.16 children per woman, well below the replacement level of 2.1, exacerbated by the Russian invasion.
06Life expectancy at birth in Ukraine was 71.82 years in 2022 (67.98 for males, 75.81 for females), down from pre-war levels due to conflict stresses.
07Net migration rate for Ukraine in 2023 is -7.7 migrants per 1,000 population, with over 6 million refugees fleeing since February 2022.
08Ukraine's age structure shows 14.9% under 15 years, 66.4% aged 15-64, and 18.7% over 65 as of 2023 estimates.
09There are approximately 41,000 people living with HIV in Ukraine as of 2022, with a prevalence rate of 0.9% among adults aged 15-49.
10The population density of Ukraine is 72 people per square kilometer as of 2023, varying greatly between western rural areas and eastern urban centers.
11Infant mortality rate in Ukraine was 7.1 deaths per 1,000 live births in 2022, influenced by healthcare disruptions from the invasion.
12Ukraine's largest religious group is Orthodox Christians at 65-75%, split between Ukrainian Orthodox Church (Kyiv Patriarchate) and Moscow Patriarchate pre-2018 schism.
13Speakers of Ukrainian language make up 67.5% as native speakers per 2001 census, with Russian at 29.6%, and bilingualism common in east.
14Ukraine has over 5.5 million internally displaced persons (IDPs) as of mid-2023 due to the ongoing Russian invasion.
15The working-age population (15-64) in Ukraine is projected to shrink by 20% by 2050 due to low fertility and emigration.
16Maternal mortality ratio in Ukraine was 19.3 deaths per 100,000 live births in 2020, with increases reported post-invasion.
17Ukraine's youth unemployment rate (15-24 years) was 18.2% in 2022, worsened by military mobilization and economic downturn.
18There are 1.2 million Ukrainian refugees hosted in Poland as of 2023, part of 6.2 million total abroad.
19Crimea, annexed by Russia, had a population of 2.4 million in 2014, including 12% Crimean Tatars who largely oppose annexation.
20Donetsk and Luhansk oblasts lost over 1 million residents since 2014 due to conflict, with 2023 populations at 4.1M and 1.6M respectively.
21Ukraine's literacy rate is 99.8% for both sexes as of latest UNESCO data, with high education attainment pre-war.
22The number of centenarians in Ukraine was around 1,500 in 2020, reflecting aging population trends.
23Ukraine has a significant Roma minority of about 47,500 per 2001 census, facing social exclusion and poverty.
24Obesity rate among Ukrainian adults is 26.1% as of 2016 WHO data, with rising trends linked to dietary shifts.
25Suicide rate in Ukraine was 16.3 per 100,000 in 2019 (24.8 males, 8.1 females), among Europe's highest.
26Ukraine's population pyramid is contracting at base and bulging at top due to post-Soviet fertility collapse.
27There are 47,000 Ukrainian students studying abroad in 2022, mainly in Poland, Germany, Czechia.
28Disability prevalence in Ukraine is 15% of population, or 6 million people, with war increasing numbers.