| Total population | 2,970,000–3,030,000 peopleUN DESA WPP [2024] 2,974,000 people·World Bank WDI [2024] 3,034,000 people |
| Median age | 36.1 yearsUN DESA WPP [2024] |
| Life expectancy | 75.7–78.3 yearsWorld Bank WDI [2024] 78.32 years·UNDP HDI [2023] 75.68 years |
| Ethnic groups | Armenian 98.1%, Yezidi 1.1%; less than 1%: Russian, other, Assyrian, Kurd, Ukrainian, Greek (2022 est.)CIA World Factbook [2025] · 2026 archive |
| Languages | Armenian 97.2%, Russian 1.4%, Ezidian 1.0%; less than 1%: other, unknown (2022)CIA World Factbook [2025] · 2026 archive |
| Religions | Armenian Apostolic 95.2%, not stated 1.7%; less than 1%: Catholic, no religion, Evangelical, Shar-fadinian, other, Armenian Orthodox, Jehovah's Witness, Pagan, Molokan (2022 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 63.7% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 2.31 %World Bank WDI [2024] |
| Birth rate | 11.1 per 1,000World Bank WDI [2024] |
| Death rate | 8.4 per 1,000World Bank WDI [2024] |
| Urban population | 65.8 %World Bank WDI [2024] |
| Languages (structured) | - Baraninsky Armenian Sign Language
- Classical-Middle Armenian
- Eastern Armenian
- Georgian
- Lomavren
- North Azerbaijani
- Northern Kurdish
- Turkish
- Urartian
Glottolog [2026] |