See main article: IIHF World Junior Championship.
| Last Season: | 2024 IIHF U20 World Championship Division I |
| Sport: | Ice hockey |
| Formerly: | B-series (1979–2000) |
| Founded: | 1979 (B-series) 2001 (Division I) |
| Teams: | 12 |
| Most Champs: | (7 titles) |
| Relegation: | Division II |
| Website: | IIHF.com |
The IIHF World U20 Championship Division I is played every year among the ice hockey teams under the age of 20 who were placed in Division I in the previous year.[1] [2]
Until 2001 the tournament was known as the B-series.
| Year | Promoted | Relegated | |||
|---|---|---|---|---|---|
| To IIHF U20 Top division | To Division I A | To Division I B | To IIHF U20 Division II | ||
| 2001 | – | – | |||
| 2002 | – | – | No relegated team | ||
| 2003 | , | – | – | , | |
| 2004 | , | – | – | , | |
| 2005 | , | – | – | , | |
| 2006 | , | – | – | , | |
| 2007 | , | – | – | , | |
| 2008 | , | – | – | , | |
| 2009 | , | – | – | , | |
| 2010 | , | – | – | , | |
| 2011 | , | – | – | , | |
| 2012 | |||||
| 2013 | |||||
| 2014 | |||||
| 2015 | |||||
| 2016 | |||||
| 2017 | |||||
| 2018 | |||||
| 2019 | |||||
| 2020 | |||||
| 2021 | Cancelled due to the COVID-19 pandemic. | ||||
| 2022 | , | No relegated team | No relegated team | ||
| 2023 | |||||
| 2024 | |||||
| Year | National team | |
|---|---|---|
| 1979 | ||
| 1980 | ||
| 1981 | ||
| 1982 | ||
| 1983 | ||
| 1984 | ||
| 1985 | ||
| 1986 | ||
| 1987 | ||
| 1988 | ||
| 1989 | ||
| 1990 | ||
| 1991 | ||
| 1992 | ||
| 1993 | ||
| 1994 | ||
| 1995 | , | |
| 1996 | ||
| 1997 | ||
| 1998 | ||
| 1999 | ||
| 2000 |