Incidence of illness by sport for athletes competing at the Tokyo 2020 Paralympic Games, in descending order of incidence
| Sport | Total number of illnesses (% total number of illnesses) | Number of athletes with an illness | Total number of athletes competing | Total number of athlete days | Proportion of athletes with an illness (%) | Illness incidence: number of illnesses/1000 athlete days (95% CI) |
| All | 280 (100) | 261 | 4403 | 66 045 | 5.9 | 4.2 (3.8 to 4.8) |
| Wheelchair tennis | 11 (3.9) | 10 | 104 | 1 560 | 9.6 | 7.1 (3.8 to 13.0) |
| Shooting | 14 (5.0) | 12 | 154 | 2 310 | 7.8 | 6.1 (3.4 to 10.7) |
| Badminton | 8 (2.9) | 6 | 90 | 1 350 | 6.7 | 5.9 (2.6 to 13.5) |
| Wheelchair basketball | 22 (7.9) | 17 | 263 | 3 945 | 6.5 | 5.6 (3.4 to 9.2) |
| Boccia | 9 (3.2) | 9 | 114 | 1 710 | 7.9 | 5.2 (2.8 to 9.9) |
| Judo | 10 (3.6) | 10 | 138 | 2 070 | 7.2 | 4.8 (2.7 to 8.8) |
| Archery | 10 (3.6) | 10 | 139 | 2 085 | 7.2 | 4.8 (2.6 to 8.7) |
| Cycling (track and road) | 16 (5.7) | 15 | 228 | 3 420 | 6.6 | 4.7 (2.8 to 7.7) |
| Swimming | 40 (14.3) | 37 | 606 | 9 090 | 6.1 | 4.4 (3.2 to 6.1) |
| Athletics | 75 (26.8) | 74 | 1144 | 17 160 | 6.5 | 4.4 (3.5 to 5.5) |
| Wheelchair rugby | 6 (2.1) | 5 | 92 | 1 380 | 5.4 | 4.3 (1.8 to 10.7) |
| Table tennis | 18 (6.4) | 17 | 278 | 4 170 | 6.1 | 4.3 (2.7 to 6.9) |
| Rowing | 6 (2.1) | 5 | 96 | 1 440 | 5.2 | 4.2 (1.7 to 10.3) |
| Wheelchair fencing | 6 (2.1) | 5 | 96 | 1 440 | 5.2 | 4.2 (1.7 to 10.3) |
| Equestrian | 4 (1.4) | 4 | 78 | 1 170 | 5.1 | 3.4 (1.3 to 8.9) |
| Triathlon | 4 (1.4) | 4 | 78 | 1 170 | 5.1 | 3.4 (1.3 to 8.9) |
| Football 5-a-side | 3 (1.1) | 3 | 62 | 930 | 4.8 | 3.2 (1.1 to 9.7) |
| Powerlifting | 7 (2.5) | 7 | 178 | 2 670 | 3.9 | 2.6 (1.3 to 5.4) |
| Canoe | 3 (1.1) | 3 | 88 | 1 320 | 3.4 | 2.3 (0.7 to 6.9) |
| Goalball | 3 (1.1) | 3 | 118 | 1 770 | 2.5 | 1.7 (0.6 to 5.2) |
| Sitting volleyball | 4 (1.4) | 4 | 188 | 2 820 | 2.1 | 1.4 (0.5 to 3.7) |
| Taekwondo | 1 (0.4) | 1 | 71 | 1 065 | 1.4 | – |