The 2002 IIHF World U20 Championship, commonly referred as the 2002 World Junior Hockey Championships, was the 26th edition of the Ice Hockey World Junior Championship. The tournament was held in Pardubice and Hradec Králové, Czech Republic, from December 25, 2001 to January 4, 2002.
The 2000 World Junior Hockey Championships, was the 24th edition of the Ice Hockey World Junior Championship. The tournament was hosted in Skellefteå and Umeå, Sweden from December 25, 1999, to January 4, 2000. The Czech Republic won the gold medal with a 1–0 shootout victory over Russia in the championship game, while Canada won the bronze medal with a 4–3 shootout victory over the United States. This still remains as the only tournament to where both medal games have been decided in a shootout.
The Mongolia national ice hockey team is the national ice hockey team of Mongolia. They are controlled by the Mongolian Hockey Federation and a member of the International Ice Hockey Federation (IIHF) since 15 May 1999. Mongolia participated in several World Championship tournaments from late 2000s to early 2010s, but since 2013, have only played in the Challenge Cup of Asia, a regional tournament for lower-tier hockey nations in Asia.
The 2009 World Junior Ice Hockey Championships, was the 33rd edition of the Ice Hockey World Junior Championship and was played in Ottawa, Ontario, Canada, between December 26, 2008 and January 5, 2009. Games were held at the Ottawa Civic Centre and Scotiabank Place. The tournament set a record for WJC attendance at 453,282. Canada won the gold medal for a record-tying fifth consecutive time. No country would win back-to-back gold until the 2023 World Junior Ice Hockey Championships when Canada won the 2022 and 2023 tournaments respectively.
The 2009 IIHF World U18 Championships were held in Fargo, North Dakota and Moorhead, Minnesota, United States. The championships ran from April 9 to April 19, 2009. Games were played at the Urban Plains Center in Fargo and the Moorhead Sports Center in Moorhead. Fargo-Moorhead defeated Providence, Rhode Island and St. Cloud, Minnesota for the rights to host the event.
The 2008 IIHF World U18 Championship Division III was a pair of international under-18 ice hockey tournaments run by the International Ice Hockey Federation. The Division III tournaments made up the fourth level of competition at the 2008 IIHF World U18 Championships. The Group A tournament took place between 2 and 8 March 2008 in Mexico City, Mexico and the Group B tournament took place between 3 and 9 March 2008 in İzmit, Turkey. Mexico and Serbia won the Group A and Group B tournaments respectively and gained promotion to Division II for the 2009 IIHF World U18 Championships.
The 2009 IIHF World U18 Championship Division III was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division III tournaments made up the fourth level of competition of the 2009 IIHF World U18 Championships. The Group A tournament took place between 27 February and 5 March 2009 in Taipei, Taiwan and the Group B tournament took place between 9 and 15 March 2009 in Erzurum, Turkey. Australia and Iceland won the Group A and B tournaments respectively and gained promotion to Division II of the 2010 IIHF World U18 Championships.
The 2011 IIHF World U18 Championships was held in Crimmitschau and Dresden, Germany. The championships ran from April 14–24, 2011.
The 2011 IIHF World U18 Championship Division II was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division II tournaments made up the third level of the IIHF World U18 Championships. The Group A tournament was played in Braşov, Romania, and the Group B tournament was played in Donetsk, Ukraine. Austria and Ukraine won the Group A and B tournaments respectively and gained promotion to the Division I of the 2012 IIHF World U18 Championships.
The 2013 IIHF World U20 Championship was the 37th edition of the Ice Hockey World Junior Championship (WJC). It was hosted in Ufa, Russia. It began on December 26, 2012, and ended with the gold medal game played on January 5, 2013. The United States defeated defending-champion Sweden 3–1 to win their third title, their first one since 2010. American goalie John Gibson was named MVP of the tournament.
The Chinese Taipei men's national under-18 ice hockey team is the men's national under-18 ice hockey team of the Republic of China. The team is controlled by the Chinese Taipei Ice Hockey Federation, a member of the International Ice Hockey Federation.
The Mongolia men's national under-18 ice hockey team is the men's national under-18 ice hockey team of Mongolia. The team is controlled by the Mongolian Ice Hockey Federation, a member of the International Ice Hockey Federation.
The 2013 IIHF U18 World Championship was the 15th IIHF World U18 Championship and was hosted in Sochi, Russia. This was also a test event for the facilities to be used in the 2014 Winter Olympics. It began on 18 April 2013 with the gold medal game played on 28 April 2013.
The 2010 IIHF World U18 Championship Division II was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division II tournaments made up the third level of the IIHF World U18 Championships. The Group A tournament was played in Narva, Estonia, and the Group B tournament was played in Kyiv, Ukraine. Italy and Slovenia won the Group A and B tournaments respectively and gained promotion to the Division I of the 2011 IIHF World U18 Championships.
The 2010 IIHF World U18 Championship Division III was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division III tournaments made up the fourth level of the IIHF World U18 Championships. The Group A tournament was played in Erzurum, Turkey, and the Group B tournament was played in Monterrey, Mexico. China and New Zealand won the Group A and B tournaments respectively and gained promotion to the Division II of the 2011 IIHF World U18 Championships.
The 2013 IIHF U18 World Championship Division III was two international under-18 ice hockey tournaments organised by the International Ice Hockey Federation. The Division III A and Division III B tournaments represent the sixth and the seventh tier of the IIHF World U18 Championships.
The 2015 IIHF U18 World Championship was the 17th IIHF World U18 Championship, and was hosted by Zug and Lucerne, Switzerland. The tournament began on 16 April 2015, with the gold medal game played on 26 April 2015.
The 2015 IIHF U18 World Championship Division III was a pair of international under-18 ice hockey tournaments organised by the International Ice Hockey Federation. The Division III A and Division III B tournaments represent the sixth and the seventh tier of the IIHF World U18 Championship.
The 2016 IIHF World U18 Championship Division III Group A and 2016 IIHF World U18 Championship Division III Group B were a pair of international under-18 men's ice hockey tournaments run by the International Ice Hockey Federation. The Group A and Group B tournaments made up the sixth and seventh level of competition at the 2016 IIHF World U18 Championships. The Group A tournament took place between 14 March and 20 March 2016 in Sofia, Bulgaria. The tournament was won by Australia who gained promotion back to Division II Group B for 2017 while Mexico finished last and was relegated to Division III Group B for 2017. The Group B tournament took place from 14 February to 19 February 2016 in Cape Town, South Africa. New Zealand won the tournament and gained promotion to Division III Group A for 2017.
The 2017 IIHF World U18 Championship Division III were two international under-18 men's ice hockey tournaments organized by the International Ice Hockey Federation. The group A and B tournaments made up the sixth and seventh level of competition at the 2017 IIHF World U18 Championships.
Taiwan 
Mexico 
