| a | | Projected est. (medium fertility variant). |
| b | | Land area only. Excluding 84 square km of uninhabited islands. |
| c | | 2023 |
| d | | 2015 |
| e | | 2024 |
| f | | 2010 |
| g | | De facto population. |
| h | | Persons present (de facto). |
| i | | Estimate. |
| j | | 2019 |
| k | | Data refers to a 5-year period preceding the reference year. |
| l | | Calculated by the UN Statistics Division. |
| m | | General government expenditure (GGE) can be larger than the Gross domestic product (GDP) because government accounts for a very large part of domestic consumption and because a large part of domestic consumption in the country is accounted for by imports. |
| n | | Data refer to fiscal years beginning 1 July. |
| o | | 2022 |
| p | | 2013 |
| q | | 2012 |
| r | | Data at 1 January of the reporting year. |
| s | | This figure includes all individuals who have access to the internet at home. |
| t | | Air arrivals. Tarawa and Christmas Island. |