| a | | For statistical purposes, the data for New Zealand do not include this area. |
| b | | Projected est. (medium fertility variant). |
| c | | Excluding Niue, shown separately, which is part of Cook Islands, but because of remoteness is administered separately. |
| d | | 2023 |
| e | | Refers to the island of Rarotonga. |
| f | | 2018 |
| g | | 2024 |
| h | | Exc. irrigation canals and landscaping care. |
| i | | Data classified according to ISIC Rev. 4. |
| j | | Exc. publishing activities. Inc. irrigation canals. |
| k | | Inc. publishing activities and landscape care. Exc. repair of personal and household goods. |
| l | | Resident population (de jure). |
| m | | 2011 |
| n | | Calculated by the UN Statistics Division from national indices. |
| o | | Estimate. |
| p | | 2022 |
| q | | 2019 |
| r | | Data refers to a 5-year period preceding the reference year. |
| s | | Calculated by the UN Statistics Division. |
| t | | Including refugees. |
| u | | For statistical purposes, the foreign-born population includes persons born in New Zealand, Niue, and Tokelau. |
| v | | 2014 |
| w | | 2012 |
| x | | 2016 |
| y | | Air and sea arrivals. |