Host nation Japan has reserved a spot in each of all 14 events, while twenty are made available to NOCs through a Tripartite Commission Invitation.
The remaining judoka underwent a qualifying process to earn a spot for the Games through the world ranking list prepared by International Judo Federation on June 28, 2021,[2][3] and finalized on 5 July.
These quotas are assigned by creating a list of all athletes for each continent across all divisions and both genders.
[2] Mixed team qualification was based on NOCs qualifying enough individual judokas across various divisions to have a six-person team meeting specific requirements (one man and one woman in each of three groups of divisions).
In order to qualify for mixed team competition, an NOC had to have individual competitors in each of six groups of divisions: