WThe 2000 IIHF World U18 Championships were held in Kloten and Weinfelden, Switzerland. The championships ran between April 14 and April 24, 2000. Games were played at Eishalle Schluefweg in Kloten and Sportanlage Güttingersreuti in Weinfelden. Finland defeated Russia 3–1 in the final to win the gold medal, while Sweden defeated Switzerland 7–1 to capture the bronze medal.
WThe 2002 IIHF World U18 Championships were held in Piešťany and Trnava, Slovakia. The championships began on April 11, 2002, and finished on April 21, 2002. Games were played at Zimny Stadion in Piešťany and Zimny Stadion in Trnava. The US team finished first in the final round to capture the gold, while Russia and the Czech Republic captured the silver and bronze medal respectively. USA and Russia played the last game of the final round to determine the medals. Needing to beat Russia by two goals, USA led 2–1 with a minute remaining. They pulled their goalie, leading to Zach Parise's gold medal-winning goal with thirty seconds remaining.
WThe 2003 IIHF World U18 Championships were held in Yaroslavl, Russia. The championships began on April 8, 2003 and finished on April 18, 2003. Games were played at Arena 2000 and Avtodizel Arena in Yaroslavl. Canada defeated Slovakia 3-0 in the final to claim the gold medal, while Russia defeated the United States 6-3 to capture the bronze medal.
WThe 2006 IIHF World U18 Championships were held in Ängelholm and Halmstad, Sweden. The championships began on April 12, 2006 and finished on April 22, 2006. Games were played at Ängelholms Ishall in Ängelholm and Sannarps Isstadion in Halmstad. The United States of America defeated Finland 3–1 in the final to claim the gold medal, while the Czech Republic defeated Canada 4–1 to capture the bronze medal.
WThe 2007 IIHF World U18 Championships was an ice hockey tournament held in Rauma and Tampere, Finland. The championships began on April 11, 2007 and finished on April 22, 2007. Games were played at Äijänsuo Arena in Rauma and Tampere Ice Stadium in Tampere. Russia defeated the United States 6–5 in the final to claim the gold medal, while Sweden defeated Canada 8–3 to capture the bronze medal.
WThe 2008 IIHF World U18 Championships were held in Kazan, Russia. The championships began on April 13, 2008, and finished on April 23, 2008. Games were played at TatNeft Arena and Arena Kazan in Kazan. Canada defeated Russia 8–0 in the final to claim the gold medal, while the United States defeated Sweden 6–3 to capture the bronze medal.
WThe 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.
WThe 2010 IIHF World U18 Championships was the 12th edition of the IIHF World U18 Championship. The tournament was held in Minsk and Babruysk, Belarus, between April 13 and April 23, 2010. Tournament games were played at the Minsk Sports Palace in Minsk and the Babruysk Arena in Babruysk. The United States won the gold medal for the second consecutive year with a 3–1 victory over Sweden in the championship game. The gold medal was the fifth for the United States since the tournament began in 1999; Sweden matched their best ever performance with a silver medal.
WThe 2011 IIHF World U18 Championships was held in Crimmitschau and Dresden, Germany. The championships ran from April 14–24, 2011.
WThe 2012 IIHF U18 World Championship was the 14th IIHF World U18 Championship and was hosted in Brno, Znojmo and Břeclav, Czech Republic. It began on 12 April 2012 with the gold medal game played on 22 April 2012.
WThe 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.
WThe 2014 IIHF U18 World Championship was the 16th IIHF World U18 Championship, and was hosted by Lappeenranta and Imatra, Finland. The tournament began on 17 April 2014, with the gold medal game played on 27 April 2014.
WThe 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.
WThe 2016 IIHF U18 World Championship was the 18th IIHF World U18 Championship, and was hosted by Grand Forks, North Dakota, USA. The tournament was played in April 2016.
WThe 2017 IIHF U18 World Championship was the 19th IIHF World U18 Championship and was hosted by Poprad and Spišská Nová Ves, Slovakia. The tournament was played from 13 to 23 April 2017. Finland entered the tournament as the defending champions and once again advanced to the final, but this time they lost to the United States.
WThe 2018 IIHF U18 World Championship was the 20th IIHF World U18 Championship. The tournament was played from 19 to 29 April 2018 in Chelyabinsk and Magnitogorsk, Russia. United States lost to Finland.
WThe 2019 IIHF U18 World Championship was the 21st such event hosted by the International Ice Hockey Federation. Teams participated at several levels of competition. The competition also served as qualifications for the 2020 competition. One national team, Luxembourg, returned to play in the World Championships for the first time since playing in the 2000 European qualification tiers.
WThe 2020 IIHF World U18 Championship would have been the 22nd such event hosted by the International Ice Hockey Federation. Teams would have participated at several levels of competition. The competition also would have served as qualifications for the 2021 competition. The division II and III tournaments were cancelled by IIHF on 2 March 2020. The top division and division I tournaments were cancelled by the IIHF on 13 March 2020 due to the COVID-19 pandemic
WThe 2021 IIHF World U18 Championship will be the 23rd such event hosted by the International Ice Hockey Federation. Teams will participate at several levels of competition. The competition also will serve as qualifications for the 2022 competition. All tournaments other than the top division tournament were cancelled by IIHF on 18 November 2020 due to the COVID-19 pandemic.