| a | | Projected estimate (medium fertility variant). |
| b | | 2022 |
| c | | Refers to the Delhi metropolitan area that is not restricted to state boundaries (National Capital Territory), includes contiguous suburban cities and towns, such as Faridabad, Gurgaon, and Ghaziabad. |
| d | | 2019 |
| e | | 2023 |
| f | | Data classified according to ISIC Rev. 4. |
| g | | Excludes irrigation canals and landscaping care. |
| h | | Excludes publishing activities. Includes irrigation canals. |
| i | | Includes publishing activities and landscape care. Excludes repair of personal and household goods. |
| j | | Estimate. |
| k | | Data as published by the Ministry of Statistics and Programme Implementation of India (MoSPI). Until the April 2024 edition of the MBS; the Ministry of Labour and Employment was used as the data source. |
| l | | Base: 2012=100. |
| m | | Data refers to a 5-year period preceding the reference year. |
| n | | Calculated by the UN Statistics Division. |
| o | | Including refugees. |
| p | | 2021 |
| q | | Data are as at 1 January of reporting year. |
| r | | Data refer to fiscal years beginning 1 April. |
| s | | Including nationals residing abroad. |