| Official name | No authoritative open source found |
| Government type | parliamentary democracy under a constitutional monarchy; a Commonwealth realmCIA World Factbook [2025] · 2026 archive |
| Capital | CastriesGeoNames [2024] |
| Head of state | Cyril CHARLES (Governor Gen.)CIA World Leaders [2025] |
| Total area | 620 km²World Bank WDI [2023] |
| Total population | 180,000 peopleUN DESA WPP [2024] 179,700 people·World Bank WDI [2024] 179,700 people |
| Languages | English (official), Saint Lucian CreoleCIA World Factbook [2025] · 2026 archive |
| GDP (nominal) | 2,550,000,000 US$World Bank WDI [2024] |
| GDP per capita | 14,200 US$World Bank WDI [2024] |
| Life expectancy | 72.7–72.8 yearsWorld Bank WDI [2024] 72.85 years·UNDP HDI [2023] 72.7 years |
