The United States had the largest athlete delegation with 186, followed by host Japan with 156, Canada with 144, and Germany with 125. Despite the large number of participating delegations, 40 of the 72 delegations had less than 10 athletes, with 12 nations having one sole athlete. 15 nations had between 11–50 athletes, 11 nations had between 51–100 athletes, and six nations had more than 101 athletes. Nations that participated in the ice hockey tournaments generally had the largest athlete delegations. With the exception of Norway and Switzerland, all 12 national delegations with 60 or more athletes participated in either or both of the female or male ice hockey tournaments.