Subban was selected to play for Canada at the 2008 World Junior Ice Hockey Championships in the Czech Republic. He saw limited ice time as Canada's seventh defenceman, but was able to help the team capture their fourth consecutive gold medal at the tournament, defeating Sweden in overtime in the final. Subban again represented Canada at the 2009 World Juniors in Ottawa, taking on a more central role with the team. He scored three goals and nine points and a differential of +12 in the tournament, helping Canada to its fifth consecutive gold medal as they once again defeated Sweden in the final. Subban was named to the Tournament All-Star Team, along with Cody Hodgson and tournament MVP John Tavares.