2010 World Junior Ice Hockey Championships - Division I

The following teams took part in the Division I tournament. Group A played in Megeve & Saint-Gervais, France between December 14 and December 20, 2009. Group B played in Gdansk, Poland between December 14 and December 20, 2009:

Group A
 was promoted to the Top Division and was relegated to Division II for the 2011 World Junior Ice Hockey Championships.

Group B
 was promoted to the Top Division and was relegated to Division II for the 2011 World Junior Ice Hockey Championships.