2021 Illinois Fighting Illini First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 12 | 102 | 88 | 21 | 211 |
| at Home | 7 | 55 | 52 | 13 | 120 |
| on Road/Neutral Site | 5 | 47 | 36 | 8 | 91 |
| in Wins | 5 | 66 | 30 | 5 | 101 |
| in Losses | 7 | 36 | 58 | 16 | 110 |
| vs. Conference | 9 | 74 | 58 | 13 | 145 |
| vs. Non-Conference | 3 | 28 | 30 | 8 | 66 |
| vs. Ranked (AP) | 1 | 1 | 10 | 0 | 11 |
| vs. Unranked (AP) | 11 | 101 | 78 | 21 | 200 |
| vs. FBS (I-A) | 12 | 102 | 88 | 21 | 211 |
| vs. FCS (I-AA) | 0 | 0 | 0 | 0 | 0 |
| vs. FBS Winning | 7 | 61 | 47 | 15 | 123 |
| vs. FBS Non-Winning | 5 | 41 | 41 | 6 | 88 |
| vs. FBS Power 5 | 10 | 78 | 70 | 17 | 165 |
| vs. FBS non-Power 5 | 2 | 24 | 18 | 4 | 46 |
| in August/September | 5 | 39 | 47 | 12 | 98 |
| in October | 4 | 41 | 17 | 9 | 67 |
| in November | 3 | 22 | 24 | 0 | 46 |
| in December/January | 0 | 0 | 0 | 0 | 0 |