1990 World Junior Curling Championships
The 1990 World Junior Curling Championships were held from March 18 to 24 in Portage la Prairie, Manitoba, Canada.
It was the first World Junior Championships to include teams from Finland.
Men
Round Robin
| Place | Country | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Wins | Losses |
| 1 | * | 3:1 | 4:5 | 5:1 | 4:3 | 7:4 | 5:4 | 5:3 | 8:4 | 9:2 | 8 | 1 | |
| 2 | 1:3 | * | 7:5 | 8:0 | 9:1 | 6:8 | 5:4 | 6:4 | 7:1 | 7:2 | 7 | 2 | |
| 3 | 5:4 | 5:7 | * | 4:3 | 5:6 | 4:3 | 1:8 | 4:3 | 5:2 | 9:7 | 6 | 3 | |
| 4 | 1:5 | 0:8 | 3:4 | * | 9:3 | 6:5 | 4:5 | 9:4 | 7:6 | 8:2 | 5 | 4 | |
| 4 | 3:4 | 1:9 | 6:5 | 3:9 | * | 3:9 | 3:2 | 8:1 | 6:5 | 7:5 | 5 | 4 | |
| 4 | 4:7 | 8:6 | 3:4 | 5:6 | 9:3 | * | 8:2 | 5:3 | 5:6 | 7:4 | 5 | 4 | |
| 7 | 4:5 | 4:5 | 8:1 | 5:4 | 2:3 | 2:8 | * | 5:2 | 5:7 | 7:9 | 4 | 5 | |
| 8 | 3:5 | 4:6 | 3:4 | 4:9 | 1:8 | 3:5 | 2:5 | * | 7:3 | 7:4 | 2 | 7 | |
| 8 | 4:8 | 1:7 | 2:5 | 6:7 | 5:6 | 6:5 | 7:5 | 3:7 | * | 9:7 | 2 | 7 | |
| 10 | 2:9 | 2:7 | 7:9 | 2:8 | 5:7 | 4:7 | 9:7 | 4:7 | 7:9 | * | 1 | 8 |
Tiebreakers
For 4th place:For 8th place:
Women
Round Robin
| Place | Country | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Wins | Losses |
| 1 | * | 10:3 | 5:7 | 8:7 | 6:1 | 8:3 | 8:5 | 7:5 | 9:2 | 9:2 | 8 | 1 | |
| 2 | 3:10 | * | 6:5 | 6:4 | 10:3 | 12:1 | 6:1 | 6:3 | 11:1 | 11:5 | 8 | 1 | |
| 3 | 7:5 | 5:6 | * | 10:3 | 7:4 | 13:1 | 7:8 | 6:5 | 7:1 | 8:0 | 7 | 2 | |
| 4 | 7:8 | 4:6 | 3:10 | * | 6:3 | 6:4 | 8:1 | 9:2 | 11:3 | 10:7 | 6 | 3 | |
| 5 | 1:6 | 3:10 | 4:7 | 3:6 | * | 5:3 | 11:6 | 6:3 | 7:3 | 10:9 | 5 | 4 | |
| 6 | 3:8 | 1:12 | 1:13 | 4:6 | 3:5 | * | 4:2 | 8:4 | 8:5 | 9:2 | 4 | 5 | |
| 7 | 5:8 | 1:6 | 8:7 | 1:8 | 6:11 | 2:4 | * | 6:4 | 7:2 | 9:7 | 4 | 5 | |
| 8 | 5:7 | 3:6 | 5:6 | 2:9 | 3:6 | 4:8 | 4:6 | * | 9:2 | 9:6 | 2 | 7 | |
| 9 | 2:9 | 1:11 | 1:7 | 3:11 | 3:7 | 5:8 | 2:7 | 2:9 | * | 9:7 | 1 | 8 | |
| 10 | 2:9 | 5:11 | 0:8 | 7:10 | 9:10 | 2:9 | 7:9 | 6:9 | 7:9 | * | 0 | 9 |
Awards
WJCC All-Star Team:| Skip | Third | Second | Lead | |
| Men |  |