History of the IMDb Top 250 - 2021
| Snapshot date | New entries | Changes |
|---|---|---|
| 1 May 2021 | 1 | 25 |
| 2 May 2021 | 1 | 10 |
| 3 May 2021 | 1 | 14 |
| 4 May 2021 | 1 | 25 |
| 6 May 2021 | 3 | 15 |
| 7 May 2021 | 2 | 11 |
| 8 May 2021 | 1 | 6 |
| 9 May 2021 | 0 | 10 |
| 10 May 2021 | 1 | 15 |
| 11 May 2021 | 2 | 10 |
| 12 May 2021 | 1 | 18 |
| 13 May 2021 | 7 | 185 |
| 14 May 2021 | 0 | 21 |
| 15 May 2021 | 0 | 18 |
| 16 May 2021 | 0 | 23 |
| 17 May 2021 | 1 | 14 |
| 18 May 2021 | 0 | 18 |
| 19 May 2021 | 1 | 15 |
| 20 May 2021 | 1 | 14 |
| 21 May 2021 | 1 | 6 |