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 |
| 22 May 2021 | 1 | 17 |
| 23 May 2021 | 0 | 11 |
| 24 May 2021 | 1 | 11 |
| 25 May 2021 | 0 | 3 |
| 26 May 2021 | 1 | 12 |
| 27 May 2021 | 1 | 45 |
| 28 May 2021 | 0 | 24 |
| 29 May 2021 | 1 | 16 |
| 30 May 2021 | 1 | 177 |
| 31 May 2021 | 0 | 12 |
| 1 June 2021 | 0 | 20 |
| 2 June 2021 | 0 | 10 |
| 3 June 2021 | 1 | 22 |
| 4 June 2021 | 2 | 6 |
| 5 June 2021 | 1 | 11 |
| 6 June 2021 | 1 | 8 |
| 7 June 2021 | 1 | 5 |
| 8 June 2021 | 0 | 8 |
| 9 June 2021 | 1 | 23 |
| 10 June 2021 | 1 | 12 |