| Total population | 2,860,000–3,050,000 peopleUN DESA WPP [2024] 3,048,000 people·World Bank WDI [2024] 2,858,000 people |
| Median age | 33.6 yearsUN DESA WPP [2024] |
| Life expectancy | 82.4–82.5 yearsWorld Bank WDI [2024] 82.52 years·UNDP HDI [2023] 82.37 years |
| Ethnic groups | non-Qatari 88.4%, Qatari 11.6% (2015 est.)CIA World Factbook [2025] · 2026 archive |
| Languages | Arabic (official), English commonly used as a second languageCIA World Factbook [2025] · 2026 archive |
| Religions | Muslim 65.2%, Christian 13.7%, Hindu 15.9%, Buddhist 3.8%, folk religion <0.1%, Jewish <0.1%, other <1%, unaffiliated <1% (2020 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 99.4% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 7.32 %World Bank WDI [2024] |
| Birth rate | 9.52 per 1,000World Bank WDI [2024] |
| Death rate | 1.05 per 1,000World Bank WDI [2024] |
| Urban population | 99.3 %World Bank WDI [2024] |
| Languages (structured) | Gulf Arabic / Standard ArabicGlottolog [2026] |