| a | | Projected est. (medium fertility variant). |
| b | | 2023 |
| c | | 2019 |
| d | | Data classified according to ISIC Rev. 4. |
| e | | Exc. irrigation canals and landscaping care. |
| f | | Exc. publishing activities. Inc. irrigation canals. |
| g | | Inc. publishing activities and landscape care. Exc. repair of personal and household goods. |
| h | | Estimate. |
| i | | Index base: fiscal (solar) year 2016 (21 March 2016 - 20 March 2017)=100. |
| j | | Base: fiscal (solar) year 2021 (21 March 2021 - 20 March 2022)=100. Data refer to the periods of the solar year in Iran. |
| k | | 2024 |
| l | | Areas not elsewhere specified. |
| m | | Data refers to a 5-year period preceding the reference year. |
| n | | Calculated by the UN Statistics Division. |
| o | | Refers to foreign citizens. |
| p | | Including refugees. |
| q | | Data refer to fiscal years beginning 21 March. |
| r | | Country is still reporting data based on SHA 1.0. |
| s | | 2022 |
| t | | 2018 |
| u | | 2014 |
| v | | Data at 1 January of the reporting year. |
| w | | Population aged 6 years and over. |