Venues Host selection On July 28, 2015,
USA Hockey named the five initial finalists for hosting the event: •
Buffalo, New York •
Pittsburgh •
St. Louis •
Chicago •
Tampa, Florida Chicago and Tampa were eliminated on September 15. Buffalo was chosen as the host site on December 3, with a formal announcement on December 4.
Match officials The following officials were assigned by the
International Ice Hockey Federation to officiate the 2018 World Junior Championship.
Referees • Andris Ansons • Alexandre Garon • Jacob Grumsen • Mikko Kaukokari • Artur Kulev • Manuel Nikolic • Gordon Schukies • Robin Šír • Mikael Sjöqvist • Stephen Thomson • Jeremy Tufts • Marc Wiegand
Linesmen • Franco Castelli • Markus Hägerström • William Hancock II • Rene Jensen • Jon Kilian • Dustin McCrank • Jiří Ondráček • Peter Šefčík • Alexander Sysuev • Emil Yletyinen
Rosters Format The preliminary round was a two group of five teams each internal
round-robin format, followed by a three-round playoff. In the
round-robin, two points were allotted for a win, and one additional point for a regulation win. One point was allotted for an
overtime or
game winning shots loss. The four highest-ranked teams from each group of the preliminary round advanced to quarterfinals while the last-placed team from each group played a
best-of-three series, the loser relegated to Division IA for 2019. All other teams will retain their Top Division status.
Preliminary round All times are local. (Eastern Standard Time – UTC-5) Group A Group B Relegation round Note: was relegated to the
2019 Division I A Playoff round Bracket Quarterfinals Semifinals Bronze medal game Final Statistics Scoring leaders GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = Plus–minus; PIM = Penalties in minutesSource: IIHF
Goaltending leaders (minimum 40% team's total ice time)
TOI = Time On Ice (minutes:seconds); GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = ShutoutsSource: IIHF
Tournament awards Most Valuable Player Casey Mittelstadt All-star team • Goaltender:
Filip Gustavsson • Defencemen:
Rasmus Dahlin,
Cale Makar • Forwards:
Casey Mittelstadt,
Filip Zadina,
Kieffer Bellows IIHF best player awards • Goaltender:
Filip Gustavsson • Defenceman:
Rasmus Dahlin • Forward:
Casey Mittelstadt Final standings ==Division I==