Iaido vs Judo
Iaido and Judo side by side, from the facts recorded for each art.
| Iaido | Judo | |
|---|---|---|
| Country of origin | Japan | Japan |
| Created | — | 1882 |
| Founder | — | Kanō Jigorō |
| Type | Kobudō and martial arts | combat sport, martial arts and Olympic sport |
| Competition at the Olympics | — | Yes – 64 Olympic events recorded |
| Notable practitioners here | 1 | 3052 |
| Top countries of practitioners | France | Japan, Russia and United States |
| Equipment and weapons | Iaitō and katana | judogi and tatami |
| Belt ranks | — | Yes |
| Weight classes | — | Yes |
| Energy use (MET) | — | 11.3 MET (Judo) |
Iaido
Iaidō (居合道), abbreviated iai (居合), is a Japanese martial art that emphasizes being aware and capable of quickly drawing the sword and responding to sudden attacks.
From the Wikipedia article Iaido (CC BY-SA 4.0).
Judo
Judo (Japanese: 柔道, Hepburn: Jūdō; lit. 'gentle way') is an unarmed modern Japanese martial art, combat sport, Olympic sport (since 1964), Paralympic sport (since 1988) and Commonwealth Games sport (since 1990). Judo is the most prominent form of Samurai throws and self-defense competed internationally. Judo was created in 1882 by Kanō Jigorō (嘉納 治五郎) as an eclectic martial art, distinguishing itself from its predecessors (primarily Tenjin Shinyo-ryu jujutsu and Kitō-ryū jujutsu) due to an emphasis on "randori" (乱取り, lit. 'free sparring') instead of kata (形, kata; pre-arranged forms) alongside its removal of striking and weapon training elements. Judo rose to prominence for its dominance over established jujutsu schools in tournaments hosted by the Tokyo Metropolitan Police Department (警視庁武術大会, Keishicho Bujutsu Taikai), resulting in its adoption as the department's primary martial art. A judo practitioner is called a "judoka" (柔道家, jūdōka), and the judo uniform is called "judogi" (柔道着, jūdōgi; "judo attire").
From the Wikipedia article Judo (CC BY-SA 4.0).
Facts from Wikidata (CC0): Q214410, Q11420. Practitioner counts are the people with a profile on this site. Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.