Rank in Judo are ranked in ascending numerical order. The ninth ("kudan") and tenth degree black belt ("jūdan") and, theoretically, those higher, have no formal requirements. Only 15 individuals have been promoted to the rank of Kōdōkan 10th dan. On January 6, 2006, three individuals were promoted to this rank simultaneously: Daigo Toshirō, Ichirō Abe, and Ōsawa Yoshimi. This is the most ever at the same time, and the first in 22 years. No one has ever been promoted to a rank higher than 10th "dan", but in theory the Judo rank system is not limited to 10 degrees of black belt. The
Australian National Judo Championships Federation weight divisions. Australian National Judo Championships The Australian National Judo Championships are the highest level of judo competition in Australia. The championships are held annually by Judo Australia, and qualified domestic and overseas judoka compete in their respective categories as representatives of their home states or countries. Both the women's and men's championships began in 1956, with the championships being held in Wollongong, New South Wales between 2012 and 2015. There have been a number of changes to the weight divisions over the life of the championships. There are currently 8 weight classes for each gender, based on the