
Self-governing state in free association with New Zealand. It has its own constitution, conducts its own foreign relations and is a member of several UN specialized agencies. Its people are New Zealand citizens; New Zealand provides assistance with defense and foreign affairs on request.
Ko e Iki he Lagi Kua fakaalofa mai Ki Niue nei, ki Niue nei Kua pule totonu E Patuiki toatu Kua pule okooko ki Niue nei
Ki Niue nei, ki Niue nei Ki Niue nei, ki Niue nei
Kua pule okooko ki Niue nei Kua pule ki Niue nei
| Month | Avg. high, °C | Mean, °C | Avg. low, °C | Precipitation, mm |
|---|---|---|---|---|
| January | 27.1 | 26.4 | 25.7 | 259 |
| February | 27.4 | 26.8 | 26 | 226 |
| March | 27.4 | 26.7 | 26 | 233 |
| April | 27 | 26.4 | 25.7 | 187 |
| May | 26 | 25.4 | 24.8 | 152 |
| June | 25.3 | 24.7 | 24.2 | 82 |
| July | 24.6 | 24 | 23.5 | 94 |
| August | 24.4 | 23.8 | 23.2 | 87 |
| September | 24.6 | 24.1 | 23.5 | 97 |
| October | 25.1 | 24.5 | 24 | 124 |
| November | 25.9 | 25.3 | 24.7 | 135 |
| December | 26.6 | 26 | 25.4 | 200 |
Country-wide averages over 1991–2020.
| Age | Male | Female |
|---|---|---|
| 80+ | 1.0% | 1.9% |
| 70-79 | 3.3% | 4.7% |
| 60-69 | 7.1% | 5.5% |
| 50-59 | 5.2% | 6.6% |
| 40-49 | 5.9% | 6.2% |
| 30-39 | 5.3% | 4.6% |
| 20-29 | 5.6% | 7.4% |
| 10-19 | 8.4% | 9.0% |
| 0-9 | 7.1% | 6.7% |
Figures cover the resident population.
Nationwide public holidays only, excluding regional, bank and government-only days.
A tourist stays at least one night. Arrivals count trips, not people.
| Treaty | Standing | Joined |
|---|---|---|
| Climate | ||
| Paris Agreement | in force | 2016 |
| UN Framework Convention on Climate Change | in force | 1996 |
| Kyoto Protocol | in force | 2005 |
| Ozone layer | ||
| Montreal Protocol | in force | 2004 |
| Vienna Convention (Ozone Layer) | in force | 2004 |
| Biodiversity | ||
| Convention on Biological Diversity | in force | 1996 |
| CITES | not a party | |
| Convention on Migratory Species (Bonn) | not a party | |
| Cartagena Protocol on Biosafety | in force | 2003 |
| Nagoya Protocol | not a party | |
| Land and heritage | ||
| Ramsar Convention on Wetlands | not a party | |
| World Heritage Convention | in force | 2001 |
| UN Convention to Combat Desertification | in force | 1998 |
| Chemicals and waste | ||
| Basel Convention | not a party | |
| Rotterdam Convention (PIC) | not a party | |
| Stockholm Convention (POPs) | in force | 2005 |
| Minamata Convention on Mercury | not a party | |
| Oceans | ||
| UN Convention on the Law of the Sea | in force | 2006 |
| High Seas Treaty (BBNJ) | signed 2025, not ratified | |
| MARPOL 73/78 | in force | 2012 |
Oil imports and exports count crude oil only.