The International Dragon Boat Federation (IDBF) was founded in Hong Kong in 1990. The IDBF is the world governing organization for Dragon Boating. All other organizations report up to the IDBF in one way or another. Detailed IDBF World Championship Results are located at the IDBF website.
IDBF Affiliates are organizations that do not represent a region or a nation or a continent, but organize dragon boat festivals and events according to IDBF specifications and have associated themselves with the IDBF.
Note: their list was last updated November 1, 2012.