The Japan Karate Federation (JKF), a.k.a. Japan Karatedo Federation, is a national governing body of the sport karate in Japan. The JKF is officially affiliated with the Japan Olympic Association (JOC), World Karate Federation (WKF), (JSA), and (JBA). The styles recognized by the JKF are Gà Âjà «-ryà «, Shità Â-ryà «, Shotokan, and Wadà Â-ryà «. Its headquarter is located in Tokyo, Japan.
In 1959, the original Japan Karate Federation, formally known as the Federation of All Japan Karatedo Organizations (FAJKO), was formed to be a unifying organization to bring karate schools together by the Karate world leaders. They were chairman Choko Sai, the head of the Shudokan of Kanken Tà Âyama, and vice chairmen Konishi from Shindà  Jinen-ryà «, Hiroshi Kinjo from Kanbukan, Otsuka Hinorori from Wado-Ryu, Tatsuo Yamada from Japan Kenpo Karate, and Shinkin Gima from Shotokan.
On October 1, 1964, the original Japan Karate Federation, which changed its own name to Japan Karate Renbukai, handed over its organization name to the new united league, such as Gà Âgen Yamaguchi of Goju-ryu, à Âtsuka Hironori of Wadà Â-ryà «, Nakayama Masatoshi of Shotokan, Mabuni Kenei and Iwata Manzao of Shità Â-ryà «, in addition to the Japan Karate Rengokai, which was founded by Ryà Âichi Sasakawa. This unified all the Karate organizations in Japan. Japan Karate Renbukai later changed its name to the JKF Renbukai, and then became an official member of the new JKF as a group, encompassing Bà Âgu uniformed Karate. Japan instilled "a uniform order in Karate", recognizing the four major schools, Goju-kai, Wado-Kai, Shotokan and Shito-kai. In 1967, Ryoichi Sasakawa became its chairman.
On January 13, 1969, the JKF was officially incorporated as a central umbrella body for the four partner organizations and recognized under the Cabinet of Japan. In December in the same year, the All Japan Karate Championships were held at the Nippon Budà Âkan in Tokyo. The JKF also works with organizations using the .
In October 1970, the JKF became a member of the World Karate Federation (WKF). On March 29, 1972, JKF became a member of the (JSA).
In 1978, the JKF first participated in the National Sports Festival in Matsumoto, Nagano. In 1981, Karate became an official game event of the National Sports Festival. Traditionally, karate organizations followed disparate competition rules. Japan Karate Association (JKA) attempted to standardize such rules. They addressed conflicts between the organizations that teach Kyokushin, a full-contact karate style, and other non-member organizations such as Seidokaikan.
On December 11, 2009, the JKF started building a new headquarters named the Japan Karate Kaikan in Koto-ku, Tokyo. The JKF became a member of the Nippon Budokan (Japan Martial Arts Council). The JKF has been officially participating at the Asian Games, East Asian Games and the IOC-sponsored World Games as an official competition. The construction of the new Japan Karate Kaikan was completed and opened in November 2011.
As a member of the Japan Olympic Association (JOA), the JKF has been putting efforts to include Karate into the Olympics as an official game along with other affiliated Karate organizations.
In May 2016, it was announced that The EmperorâÂÂs Cup and The EmpressâÂÂs Cup will be given to the champions of Japan Cup Karatedo. The ceremony of notification was held at the Imperial Household Agency and the EmperorâÂÂs Cup and the EmpressâÂÂs Cup were commissioned in the presence of Mr. Michiyasu Takahashi, Deputy Commissioner of the Japan Sports Agency on May 17, 2016.
On August 3, 2016, the IOC approved Karate as one of the five new sports for Tokyo 2020 Summer Olympics.
The JKF officially recognizes the Dan, a Black Belt degree ranking system, from 1st Dan to 10th Dan and requires students to take a physical test up to 8th Dan. Since 2014, the JKF has also installed the additional basic ranking system called Kyà « from 5th Kyà « to 1st Kyà «, and it requires a student to earn 1st Kyà « first in order to earn 1st Dan.
Dan examination consists of Kata and Kumite.
Besides rank exams, many JKF tournaments also require the performance of 'Shitei Kata' (designated kata) in the first and second rounds, selected from a defined list that all examiners and judges should be familiar with. For each of the main four styles there are two kata to choose from in the first round (the 'daiichi shitei kata') and second round (the 'daini shitei kata') of any compliant tournament.
JKF Gojukai rules differ from the WKF rules.