| Total population | 39,300 peopleUN DESA WPP [2024] 39,330 people·World Bank WDI [2024] 39,330 people |
| Median age | 38.8 yearsUN DESA WPP [2024] |
| Life expectancy | 83.6 yearsWorld Bank WDI [2024] |
| Ethnic groups | Gibraltarian 79%, other British 13.2%, Spanish 2.1%, Moroccan 1.6%, other EU 2.4%, other 1.6% (2012 est.); note: data represent population by nationalityCIA World Factbook [2025] · 2026 archive |
| Languages | English (used in schools and for official purposes), Spanish, Italian, PortugueseCIA World Factbook [2025] · 2026 archive |
| Religions | Roman Catholic 72.1%, Church of England 7.7%, other Christian 3.8%, Muslim 3.6%, Jewish 2.4%, Hindu 2%, other 1.1%, none 7.1%, unspecified 0.1% (2012 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 100% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 2.21 %World Bank WDI [2024] |
| Birth rate | 12.2 per 1,000World Bank WDI [2024] |
| Death rate | 6.59 per 1,000World Bank WDI [2024] |
| Urban population | 100 %World Bank WDI [2024] |
| Languages (structured) | English / SpanishGlottolog [2026] |