| Nationality | Niuean(s) |
| Population (2009) | 2000 |
| Annual population growth rate | -0.032% |
| Age Structure (2009 est.) |
0-14 years: N/A 15-64 years: N/A 65 years and over: N/A |
| Urbanization |
urban population 39% of total population (2008) -0.2% annual rate of change (2005-10 est.) |
| Ethnic groups (2001 census) | Niuen 78.2%, Pacific islander 10.2%, European 4.5%, mixed 3.9%, Asian 0.2%, unspecified 3% |
| Languages | English (official), Niuean |
| Religion | Ekalesia Niue 61.1%, Latter-Day Saints 8.8%, Roman Catholic 7.2%, Jehovah's Witnesses 2.4%, Seventh-Day Adventist 1.4%, other 8.4% (1.5% Baha'i), unspecified 8.7%, none 1.9% |
| Life expectancy (UN) | 68 (men), 74 (women), 71 (Total population) |
| Infant mortality rate | N/A |