| Total population | 104,000 peopleUN DESA WPP [2024] |
| Median age | 43.4 yearsUN DESA WPP [2024] |
| Life expectancy | No authoritative open source found |
| Ethnic groups | Jersey 44.4%, British 30.5%, Portuguese/Madeiran 9.4%, Polish 3%, Irish 2.1%, other 10.6% (2021 est.)CIA World Factbook [2025] · 2026 archive |
| Languages | English (official) 94.5%, Portuguese 4.6%, other 0.9% (includes French (official) and Jerriais) (2001 est.); note: data represent main spoken language; the traditional language of Jersey is Jerriais or Jersey French (a Norman language), which was spoken by fewer than 3,000 people as of 2001; two thirds of Jerriais speakers are aged 60 and overCIA World Factbook [2025] · 2026 archive |
| Religions | Christian 85.2%, Baha'i 0.3%, Hindu 0.1%, Jewish 0.1%, Muslim 0.1%, atheist 1.1%, agnostic 13.1% (2020 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 31.2% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | No authoritative open source found |
| Birth rate | No authoritative open source found |
| Death rate | No authoritative open source found |
| Urban population | No authoritative open source found |
| Languages (structured) | EnglishGlottolog [2026] |