[2] United States won their second title in the competition, defeating Brazil in five sets on the final, after being 0–2 down.

[7] Following the results of the 2018 Nations League and 2018 Challenger Cup, Argentina was replaced by debutants Bulgaria in this edition.

[1] Poland Italy Thailand Germany Bulgaria Japan Belgium United States Brazil Dominican Republic Russia China Serbia Netherlands Turkey South Korea Italy United States Dominican Republic Serbia Turkey Germany Russia Japan China Belgium Thailand South Korea Netherlands Brazil Poland Bulgaria China Italy Japan Netherlands United States South Korea Germany Brazil Thailand Bulgaria Dominican Republic Turkey Belgium Serbia Russia Poland Italy South Korea Bulgaria Russia Germany Belgium Netherlands Dominican Republic Japan Serbia Thailand Brazil China United States Poland Turkey Turkey Belgium Italy Brazil China Germany Bulgaria Serbia Russia Thailand Netherlands United States South Korea Japan Poland Dominican Republic The list of host cities and venues was announced on March 26, 2019.

[10] The 16 national teams involved in the tournament were required to register a squad of 25 players, which every week's 14-player roster must be selected from.

Each country must declare its 14-player roster two days before the start of each week's round-robin competition.