| a | | Projected estimate (medium fertility variant). |
| b | | 2022 |
| c | | 2019 |
| d | | 2021 |
| e | | Including restaurants and hotels. |
| f | | Estimate. |
| g | | 2016 |
| h | | 2023 |
| i | | Data refers to a 5-year period preceding the reference year. |
| j | | Calculated by the UN Statistics Division. |
| k | | Including refugees. |
| l | | Data based on calendar year (January 1 to December 31). |
| m | | 2013 |
| n | | Data are as at 1 January of reporting year. |
| o | | Data reflects the composition of the new legislature elected on 20 December 2023 |
| p | | Overestimated or based on overestimated data. |
| q | | Excluding business enterprise. |
| r | | Break in the time series. |
| s | | The arrivals data relate only to three border posts (N'Djili airport in Kinshasa, the Luano airport in Lubumbashi, and the land border-crossing of Kasumbalesa in Katanga province). |