Upcoming season or competition: 2024 IIHF World Championship Division I | |
| Sport | Ice hockey |
|---|---|
| Founded | 1951 (Pool B) 2001 (Division I) |
| No. of teams | 12 |
| Most recent champion(s) |  Hungary (Group A) Ukraine (Group B) |
| Most titles |  Slovenia (Group A) (8) |
| Promotion to | Top-League |
| Relegation to | Division II |
| Official website | IIHF.com |
The IIHF World Championship Division I is an annual sports event organized by the International Ice Hockey Federation. The divisional championship is played in two groups.