History of the IMDb Top 250 - 2021
| Snapshot date | New entries | Changes |
|---|---|---|
| 1 January 2021 | 0 | 12 |
| 2 January 2021 | 1 | 11 |
| 3 January 2021 | 1 | 21 |
| 4 January 2021 | 0 | 18 |
| 5 January 2021 | 0 | 14 |
| 6 January 2021 | 0 | 15 |
| 7 January 2021 | 0 | 14 |
| 8 January 2021 | 1 | 10 |
| 9 January 2021 | 1 | 21 |
| 10 January 2021 | 0 | 12 |
| 11 January 2021 | 0 | 16 |
| 12 January 2021 | 0 | 20 |
| 13 January 2021 | 1 | 7 |
| 14 January 2021 | 0 | 13 |
| 15 January 2021 | 2 | 8 |
| 16 January 2021 | 0 | 16 |
| 17 January 2021 | 0 | 27 |
| 18 January 2021 | 1 | 17 |
| 19 January 2021 | 0 | 19 |
| 20 January 2021 | 1 | 12 |
| 21 January 2021 | 1 | 9 |
| 22 January 2021 | 0 | 12 |
| 23 January 2021 | 1 | 18 |
| 24 January 2021 | 1 | 18 |
| 25 January 2021 | 1 | 14 |
| 26 January 2021 | 0 | 4 |
| 27 January 2021 | 0 | 18 |
| 28 January 2021 | 1 | 13 |
| 29 January 2021 | 1 | 18 |
| 30 January 2021 | 1 | 6 |
| 31 January 2021 | 0 | 26 |
| 1 February 2021 | 0 | 14 |
| 2 February 2021 | 1 | 12 |
| 3 February 2021 | 1 | 12 |
| 4 February 2021 | 1 | 11 |
| 5 February 2021 | 1 | 17 |
| 6 February 2021 | 0 | 16 |
| 7 February 2021 | 0 | 21 |
| 8 February 2021 | 1 | 18 |
| 9 February 2021 | 1 | 15 |