| a | | Projected estimate (medium fertility variant). |
| b | | Including Zanzibar. |
| c | | 2022 |
| d | | 2018 |
| e | | 2021 |
| f | | Tanzania mainland only, excluding Zanzibar. |
| g | | Data classified according to ISIC Rev. 4. |
| h | | Excludes irrigation canals and landscaping care. |
| i | | Excludes publishing activities. Includes irrigation canals. |
| j | | Includes publishing activities and landscape care. Excludes repair of personal and household goods. |
| k | | Estimate. |
| l | | Break in the time series. |
| m | | For Tanganyika only. |
| n | | 2023 |
| o | | 2019 |
| p | | Data refers to a 5-year period preceding the reference year. |
| q | | Calculated by the UN Statistics Division. |
| r | | Including refugees. |
| s | | Data refer to fiscal years beginning 1 July. |
| t | | 2014 |
| u | | Data are as at 1 January of reporting year. |
| v | | Excluding business enterprise. |
| w | | 2013 |