Distribution of boxers according to weight division and the number of fights correlated with the weight division
| Weight division (lbs) | Number of respondents | Percentage of weight division | Percentage of bouts in 1999 |
|---|---|---|---|
| Minimum (<105) | 12 | 1.9 | 2.7 |
| Light fly (105–108) | 41 | 6.6 | 7.1 |
| Fly (108–112) | 59 | 10.5 | 10.0 |
| Super fly (112–115) | 47 | 7.5 | 8.2 |
| Bantam (115–118) | 68 | 10.9 | 10.6 |
| Super bantam (118–122) | 82 | 13.2 | 12.0 |
| Feather (122–126) | 83 | 13.3 | 15.0 |
| Super feather (126–130) | 69 | 11.1 | 10.2 |
| Light (130–135) | 69 | 11.1 | 9.2 |
| Super light (135–140) | 34 | 5.5 | 5.5 |
| Welter (140–147) | 28 | 4.5 | 4.6 |
| Super welter (147–154) | 12 | 1.9 | 0.8 |
| Middle (154–160) | 17 | 2.7 | 2.9 |
| Super middle (160–168) | 2 | 0.3 | 0.4 |
| Light heavy (168–175) | 1 | 0.2 | 0.0 |
| Cruiser (175–190) | 1 | 0.2 | 0.1 |
| Heavy (>190) | 1 | 0.2 | 0.4 |