| Total population | 1,170,000 peopleUN DESA WPP [2024] 1,169,000 people·World Bank WDI [2024] 1,169,000 people |
| Median age | 24.7 yearsUN DESA WPP [2024] |
| Life expectancy | 66–66.2 yearsWorld Bank WDI [2024] 66.2 years·UNDP HDI [2023] 65.99 years |
| Ethnic groups | Somali 60%, Afar 35%, other 5% (mostly Yemeni Arab, also French, Ethiopian, and Italian)CIA World Factbook [2025] · 2026 archive |
| Languages | French (official), Arabic (official), Somali, AfarCIA World Factbook [2025] · 2026 archive |
| Religions | Sunni Muslim 94% (nearly all Djiboutians), other 6% (mainly foreign-born residents - Shia Muslim, Christian, Hindu, Jewish, Baha'i, and atheist)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 78.6% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 1.36 %World Bank WDI [2024] |
| Birth rate | 20.9 per 1,000World Bank WDI [2024] |
| Death rate | 7.49 per 1,000World Bank WDI [2024] |
| Urban population | 72.9 %World Bank WDI [2024] |
| Languages (structured) | Afar / Amharic / Somali / Standard Arabic / TigrinyaGlottolog [2026] |