| Total population | 38,600 peopleUN DESA WPP [2024] 38,630 people·World Bank WDI [2024] 38,630 people |
| Median age | 54 yearsUN DESA WPP [2024] |
| Life expectancy | 86.4–86.5 yearsWorld Bank WDI [2024] 86.5 years·UNDP HDI [2023] 86.37 years |
| Ethnic groups | Monegasque 32.1%, French 19.9%, Italian 15.3%, British 5%, Belgian 2.3%, Swiss 2%, German 1.9%, Russian 1.8%, American 1.1%, Dutch 1.1%, Moroccan 1%, other 16.6% (2016 est.); note: data represent population by country of birthCIA World Factbook [2025] · 2026 archive |
| Languages | French (official), English, Italian, MonegasqueCIA World Factbook [2025] · 2026 archive |
| Religions | Roman Catholic 90% (official), other 10%CIA World Factbook [2025] · 2026 archive |
| Urbanization | 100% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | -0.838 %World Bank WDI [2024] |
| Birth rate | 9.56 per 1,000World Bank WDI [2024] |
| Death rate | 20.1 per 1,000World Bank WDI [2024] |
| Urban population | 100 %World Bank WDI [2024] |
| Languages (structured) | French / Ligurian / OccitanGlottolog [2026] |