- The Rank requirement for IAS officer differs if the candidate is eligible for reservation and if yes, the category of reservation.
- It also varies with the number of vacancies available per year.
In 2020 the last rank for IAS Officers across categories were
| Service | General | EWS | S C | S T | OBC |
| IAS | 79 | 354 | 510 | 505 | 350 |
In 2019 the last rank for IAS Officers across categories were
| Service | General | OBC | S C | S T |
| IAS | 77 | 304 | 509 | 513 |
In 2018 the last rank for IAS Officers across categories were
| Service | General | OBC | S C | S T |
| IAS | 92 | 457 | 492 | 528 |
In 2017 the last rank for IAS Officers across categories were
| Service | General | OBC | S. C | S. T |
| IAS | 105 | 517 | 629 | 594 |
In 2016 the last rank for IAS Officers across categories were
| Service | General | OBC | S. C | S. T |
| IAS | 95 | 140 | 619 | 730 |
- By this data it is evident that, to get IAS one must get a rank of or less than 100. However, this data is just for the service and does not cover the requirement of cadres.
- To get the cadre of your choice will require you to get a much higher rank, since, cadres are allocated based on rank and the number of vacancies in your chosen cadre would be a fraction of the total number of vacancies available in the country.
