| Tournament | Men’s under-17 2006 | Men’s under-17 2007 | Men’s under-17 2008 | Women’s under-19 2006 | Women’s under-19 2007 | Women’s under-19 2008 |
| No. of teams | 8 | 8 | 8 | 8 | 8 | 8 |
| No. of players (squad size) | 144 (18) | 145* (18) | 144 (18) | 144 (18) | 144 (18) | 145* (18) |
| Age | 16.6 (0.6) | 16.5 (0.5) | 16.6 (0.5) | 17.9 (0.8) | 18.0 (0.9) | 18.3 (0.8) |
| No. of matches | 16 | 16 | 15 | 15 | 15 | 15 |
| No. of training sessions | 40 | 44 | 52 | 60 | 57 | 66 |
| Exposure hours | 1316 | 1161 | 1354 | 1707 | 1407 | 1635 |
| Match hours | 482 | 477 | 455 | 497 | 501 | 514 |
| Training hours | 834 | 685 | 899 | 1210 | 906 | 1121 |
| No. of injured players | 11 (8%) | 10 (7%) | 14 (10%) | 21 (15%) | 11 (8%) | 7 (5%) |
| Age injured players | 16.8 (0.4) | 16.3 (0.5) | 16.7 (0.5) | 17.9 (0.7) | 17.5 (1.1) | 18.9 (0.4) |
| No. of injuries | 11 | 11 | 18 | 23 | 12 | 8 |
| Training injuries | 1/11 (9%) | 1/11 (9%) | 5/18 (28%) | 9/23 (39%) | 1/12 (8%) | 2/8 (25%) |
| Match injuries | 10/11 (91%) | 10/11 (91%) | 13/18 (72%) | 14/23 (61%) | 11/12 (92%) | 6/8 (75%) |
| Foul play injuries | 2/10 (20%) | 0/10 | 0/13 | 1/14 (7%) | 4/11 (36%) | 0/6 |
| Injuries/match | 0.6 | 0.6 | 0.9 | 0.9 | 0.7 | 0.4 |
| Circumstance | ||||||
| Traumatic injuries | 11/11 (100%) | 8/11 (73%) | 11/18 (61%) | 17/23 (74%) | 8/12 (67%) | 6/8 (75%) |
| Player contact | 8/11 (73%) | 8/8 (100%) | 7/11 (64%) | 12/17 (71%) | 8/8 (100%) | 4/6 (67%) |
| Overuse injuries | 0/11 | 3/11 (27%) | 7/18 (39%) | 6/23 (26%) | 4/12 (33%) | 2/8 (25%) |
| Re-injuries | 2/11 (18%) | 0/11 | 4/18 (22%) | 5/23 (22%) | 0/12 | 1/8 (13%) |
| Injury severity | ||||||
| Slight injuries | 0/11 | 4/11 (36%) | 0/18 | 4/23 (17%) | 0/12 | 0/8 |
| Minimal injuries | 7/11 (64%) | 4/11 (36%) | 15/18 (83%) | 13/23 (57%) | 7/12 (58%) | 5/8 (63%) |
| Mild injuries | 0/11 | 1/11 (9%) | 0/18 | 2/23 (9%) | 1/12 (8%) | 0/8 |
| Moderate injuries | 2/11 (18%) | 1/11 (9%) | 2/18 (11%) | 2/23 (9%) | 3/12 (25%) | 2/8 (25%) |
| Severe injuries | 2/11 (18%) | 1/11 (9%) | 1/18 (6%) | 2/23 (9%) | 1/12 (8%) | 1/8 (13%) |
| Injuries/1000 hours | ||||||
| Match play | 20.7 (11.2 to 38.5) | 21.0 (11.3 to 39.0) | 28.6 (16.6 to 49.2) | 28.2 (16.7 to 47.6) | 22.0 (12.2 to 39.6) | 11.7 (5.2 to 26.0) |
| Training | 1.2 (0.2 to 8.5) | 1.5 (0.2 to 10.4) | 5.6 (2.3 to 13.4) | 7.4 (3.9 to 14.3) | 1.1 (0.2 to 7.8) | 1.8 (0.4 to 7.1) |
| Total (training + matches) | 8.4 (4.6 to 15.1) | 9.5 (5.2 to 17.1) | 13.3 (8.4 to 21.1) | 13.5 (9.0 to 20.3) | 8.5 (4.8 to 15.0) | 4.9 (2.4 to 9.8) |
| Slight injuries | 0 | 3.4 (1.3 to 9.2) | 0 | 2.3 (0.9 to 6.2) | 0 | 0 |
| Minimal injuries | 5.3 (2.5 to 11.2) | 3.4 (1.3 to 9.2) | 11.1 (6.7 to 18.4) | 7.6 (4.4 to 13.1) | 5.0 (2.4 to 10.4) | 3.1 (1.3 to 7.3) |
| Mild injuries | 0 | 0.9 (0.1 to 6.1) | 0 | 1.2 (0.3 to 4.7) | 0.7 (0.1 to 5.0) | 0 |
| Moderate injuries | 1.5 (0.4 to 6.1) | 0.9 (0.1 to 6.1) | 1.5 (0.4 to 5.9) | 1.2 (0.3 to 4.7) | 2.1 (0.7 to 6.6) | 1.2 (0.3 to 4.9) |
| Severe injuries | 1.5 (0.4 to 6.1) | 0.9 (0.1 to 6.1) | 0.7 (0.1 to 5.2) | 1.2 (0.3 to 4.7) | 0.7 (0.1 to 5.0) | 0.6 (0.1 to 4.3) |
Values are n (%), mean (standard deviation) or incidence (95% CI) unless otherwise specified. *Player(s) replaced during tournament due to injury or illness.