Indicator	Value
Total population	20,600,000 peopleUN DESA WPP [2024] 20,590,000 people·World Bank WDI [2024] 20,590,000 people
Median age	29.6 yearsUN DESA WPP [2024]
Life expectancy	74.4–74.5 yearsWorld Bank WDI [2024] 74.53 years·UNDP HDI [2023] 74.4 years
Ethnic groups	Kazakh 71%, Russian 14.9%, Uzbek 3.3%, Ukrainian 1.9%, Uyghurs 1.5%, German 1.1%, Tatar 1.1%, other 4.9%, unspecified 0.3% (2023 est.)CIA World Factbook [2025] · 2026 archive
Languages	Kazakh (official, Qazaq) 80.1%, Russian 83.7%, English 35.1% (2021 est.)CIA World Factbook [2025] · 2026 archive
Religions	Muslim 69.3%, Christian 17.2% (Orthodox 17%, other 0.2%), Buddhism 0.1%, other 0.1%, non-believers 2.3%, unspecified 11% (2021 est.)CIA World Factbook [2025] · 2026 archive
Urbanization	58.2% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	1.28 %World Bank WDI [2024]
Birth rate	19.5 per 1,000World Bank WDI [2024]
Death rate	6.7 per 1,000World Bank WDI [2024]
Urban population	62.1 %World Bank WDI [2024]
Languages (structured)	Bashkir / Chechen / Chuvash / Dagur / Dungan / Eastern Mari / Erzya / Ili Turki / Kara-Kalpak / Karachay-Balkar / Kazakh / Kirghiz / Kumyk / Lak / Lezgian / Nogai / North-Central Dargwa / Northern Uzbek / Oirad-Kalmyk-Darkhat / Russian / Sinte-Manus Romani / Southern Altai / Tabasaran / Tatar / Udmurt / Uighur / XibeGlottolog [2026]