| Total population | 11,000,000 peopleUN DESA WPP [2024] 10,980,000 people·World Bank WDI [2024] 10,980,000 people |
| Median age | 41.9 yearsUN DESA WPP [2024] |
| Life expectancy | 78.1–78.3 yearsWorld Bank WDI [2024] 78.26 years·UNDP HDI [2023] 78.09 years |
| Ethnic groups | White 64.1%, Mulatto or mixed 26.6%, Black 9.3% (2012 est.); note: data represent racial self-identification from Cuba's 2012 national censusCIA World Factbook [2025] · 2026 archive |
| Languages | Spanish (official)CIA World Factbook [2025] · 2026 archive |
| Religions | Christian 58.9%, folk religion 17.6%, Buddhist <1%, Hindu <1%, Jewish <1%, Muslim <1%, other <1%, none 23.2% (2020 est.); note: folk religions include religions of African origin, spiritualism, and others intermingled with Catholicism or Protestantism; data is estimative because no authoritative source on religious affiliation exists for CubaCIA World Factbook [2025] · 2026 archive |
| Urbanization | 77.5% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | -0.365 %World Bank WDI [2024] |
| Birth rate | 8.62 per 1,000World Bank WDI [2024] |
| Death rate | 10.4 per 1,000World Bank WDI [2024] |
| Urban population | 77.2 %World Bank WDI [2024] |
| Languages (structured) | Cuba Sign Language / English / Lucumi / SpanishGlottolog [2026] |