Indicator	Value
Total population	3,390,000 peopleUN DESA WPP [2024] 3,387,000 people·World Bank WDI [2024] 3,387,000 people
Median age	36.1 yearsUN DESA WPP [2024]
Life expectancy	78.1–78.3 yearsWorld Bank WDI [2024] 78.29 years·UNDP HDI [2023] 78.14 years
Ethnic groups	White 87.7%, Black 4.6%, Indigenous 2.4%, other 0.3%, none or unspecified 5% (2011 est.); note: data represent primary ethnic identityCIA World Factbook [2025] · 2026 archive
Languages	Spanish (official, Rioplatense is the most widely spoken dialect)CIA World Factbook [2025] · 2026 archive
Religions	Roman Catholic 36.5%, Protestant 5% (Evangelical (non-specific) 4.6%, Adventist 0.2%, Protestant (non-specific) 0.3%), African American Cults/Umbanda 2.8%, Jehovah's Witness 0.6%, Church of Jesus Christ 0.2%, other 1%, Believer (not belonging to the church) 1.8%, agnostic 0.3%, atheist 1.3%, none 47.3%, unspecified 3.4%Roman Catholic 42%, Protestant 15%, other 6%, agnostic 3%, atheist 10%, unspecified 24% (2023 est.)CIA World Factbook [2025] · 2026 archive
Urbanization	95.8% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	-0.0441 %World Bank WDI [2024]
Birth rate	9.8 per 1,000World Bank WDI [2024]
Death rate	9.93 per 1,000World Bank WDI [2024]
Urban population	95.6 %World Bank WDI [2024]
Languages (structured)	Chaná / Charrúa / Eastern Yiddish / Güenoa / Mbyá Guaraní / Portuguese / Querandi / Spanish / Uruguayan Sign LanguageGlottolog [2026]