History of the IMDb Top 250 - 2021
| Snapshot date | New entries | Changes |
|---|---|---|
| 1 May 2021 | 1 | 68 |
| 2 May 2021 | 0 | 56 |
| 3 May 2021 | 1 | 193 |
| 4 May 2021 | 1 | 66 |
| 6 May 2021 | 0 | 58 |
| 7 May 2021 | 0 | 35 |
| 8 May 2021 | 0 | 30 |
| 9 May 2021 | 0 | 51 |
| 10 May 2021 | 0 | 48 |
| 11 May 2021 | 1 | 195 |
| 12 May 2021 | 0 | 61 |
| 13 May 2021 | 4 | 193 |
| 14 May 2021 | 0 | 44 |
| 15 May 2021 | 0 | 55 |
| 16 May 2021 | 0 | 58 |
| 17 May 2021 | 0 | 41 |
| 18 May 2021 | 1 | 65 |
| 19 May 2021 | 1 | 69 |
| 20 May 2021 | 1 | 43 |
| 21 May 2021 | 0 | 48 |