| Total population | 5,210,000–5,290,000 peopleUN DESA WPP [2024] 5,214,000 people·World Bank WDI [2024] 5,288,000 people |
| Median age | 37.5 yearsUN DESA WPP [2024] |
| Life expectancy | 82–82.1 yearsWorld Bank WDI [2024] 82.01 years·UNDP HDI [2023] 82.09 years |
| Ethnic groups | European 64.1%, Maori 16.5%, Chinese 4.9%, Indian 4.7%, Samoan 3.9%, Tongan 1.8%, Cook Islands Maori 1.7%, English 1.5%, Filipino 1.5%, New Zealander 1%, other 13.7% (2018 est.); note: based on the 2018 census of the usually resident population; percentages add up to more than 100% because respondents were able to identify more than one ethnic groupCIA World Factbook [2025] · 2026 archive |
| Languages | English (de facto official) 95.4%, Maori (de jure official) 4%, Samoan 2.2%, Northern Chinese 2%, Hindi 1.5%, French 1.2%, Yue 1.1%, New Zealand Sign Language (de jure official) 0.5%, other or not stated 17.2% (2018 est.); note: shares sum to 124.1% due to multiple responses on the 2018 censusCIA World Factbook [2025] · 2026 archive |
| Religions | Christian 37.3% (Catholic 10.1%, Anglican 6.8%, Presbyterian and Congregational 5.2%, Pentecostal 1.8%, Methodist 1.6%, Church of Jesus Christ 1.2%, other 10.7%), Hindu 2.7%, Maori 1.3%, Muslim, 1.3%, Buddhist 1.1%, other religion 1.6% (includes Judaism, Spiritualism and New Age religions, Baha'i, Asian religions other than Buddhism), no religion 48.6%, objected to answering 6.7% (2018 est.); note: based on the 2018 census of the usually resident population; percentages add up to more than 100% because respondents were able to identify more than one religionCIA World Factbook [2025] · 2026 archive |
| Urbanization | 87% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 1.67 %World Bank WDI [2024] |
| Birth rate | 11 per 1,000World Bank WDI [2024] |
| Death rate | 7.13 per 1,000World Bank WDI [2024] |
| Urban population | 83.9 %World Bank WDI [2024] |
| Languages (structured) | - Brithenig
- Maori
- Moriori
- New Zealand Sign Language
- Niuean
- Pitcairn-Norfolk
- Pukapuka
- Rakahanga-Manihiki
- Southern Cook Island Maori
- Tokelau
- Tuvalu
Glottolog [2026] |