Judo vs. Brazilian Jiu-Jitsu
Quick answer
Brazilian Jiu-Jitsu derives from Kodokan judo, which Mitsuyo Maeda brought to Brazil. Judo decides mainly by a throw and has time-limited ground fighting, BJJ scores positions on the ground and wins by submission. Judo has been Olympic since 1964, BJJ is not Olympic.
At a glance
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Country of origin | Japan | Brazil |
| Origin | 1882 | 20th century (present form) |
| Founder | Kano Jigoro | Hélio GracieCarlos Gracie (co-founder) |
| Contact | Full contact | Full contact |
| Sparring | Full contact | Full contact |
| Competition format | Point fighting | Submission |
| Olympic status | Current Olympic sport | Not Olympic |
| Ranks | Yes (belts) | Yes (belts) |
| Rank recognition | by federation | by federation |
| Attire | Gi required | Gi optional |
| Weapons | No weapons | No weapons |
| Forms | Forms optional | No forms |
| Relative cost | low | low |
| Katas and forms in the encyclopedia | 5 | – |
| Techniques in the encyclopedia | 104 | 11 |
Scales 1–5
Rated for the typical training of an adult beginner in an ordinary club, calibrated across all arts.
What each art is built from
Editorial rating 0–3: how much room each area gets in ordinary training.
History and relationship
Brazilian Jiu-Jitsu is a descendant of judo. Mitsuyo Maeda, a Kodokan judoka, arrived in Brazil in 1914 and in 1917 fourteen-year-old Carlos Gracie saw his demonstration in Belém. Newspapers at the time announced the art as jiu-jitsu, because judo was often called Kano jiu-jitsu.
- 1882: Jigoro Kano founds the Kodokan in Tokyo.
- 1914: Maeda arrives in Brazil, in 1921 he founds the first academy there.
- Around 1925: the Gracie brothers develop their own approach, in parallel Luiz França and Oswaldo Fadda.
- 1925: the Kodokan restricts ground fighting in the competition rules.
- 1951: Hélio Gracie loses to the judoka Masahiko Kimura by an arm lock that has since borne the name kimura.
- 1964: judo at the Olympic Games for the first time, in Tokyo.
- 1993: Royce Gracie wins the first UFC tournament.
Technique
- Throws (nage-waza) and ground technique (katame-waza).
- An ippon for a throw onto the back ends the match immediately.
- A hold-down wins after 20 seconds.
- Joint locks only on the elbow, grabbing the leg is penalised.
- Strikes exist only in kata.
- Ground fighting and finishes: chokes and joint locks.
- Points for positions: takedown, sweep and knee-on-belly 2, guard pass 3, mount and back mount 4.
- A hold does not end the match, the win comes by submission or points.
- Pulling guard is permitted, leg locks depending on belt and division.
- Strikes, kicks, knees and elbows are prohibited.
Judo rests on fighting standing and on a quick decision, BJJ on progression through positions on the ground. Kosen judo, which develops ground work more, is often compared with BJJ.
Training
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Main form of sparring | randori at varying intensity | rolling at full speed and strength |
| Other exercises | uchi-komi, falls (ukemi) | drills, positional sparring |
| Clothing | judogi | gi and no-gi |
| Measured load | randori 4 × 5 minutes: heart rate 174–183 per minute in brown and black belts | we did not find measurements in beginners |
We have not been able to confirm when a beginner first spars for either art.
Progression and ranks
| Judo | Brazilian Jiu-Jitsu (IBJJF) | |
|---|---|---|
| Student belts | 6 kyu: white, yellow, orange, green, blue, brown | white, blue, purple, brown, each with 4 stripes |
| Master grades | 10 dan, red-and-white belt from 6th dan | black belt with 6 degrees, then red-and-black, red-and-white and red |
| Children | minimum age for kyu by federation 3–15 years | 13 children's belts from age 4 to 15 |
| Minimum times | we did not find them in the sources | blue 2 years, purple 1.5 years, brown 1 year |
| First black belt | from age 15 in the United Kingdom, usually 16 in the USA | at least 4.5 years as the sum of minimum times, brown belt from age 18 |
Judo comes from a single Kodokan system, but the conditions are set by national federations. In BJJ the belt is awarded by the teacher and the IBJJF recognises it only if its deadlines and registration are met.
Physical load and risks
- Olympics 2008–2016: 9.6 injuries per 1 000 minutes of competition.
- International competitions 2005–2019: 78% of injuries standing, most often sprains.
- Most often knee, shoulder and fingers.
- Main mechanism: a fall after the opponent's throw.
- Tournaments in Hawaii: 9.2 injuries per 1 000 starts, most often the elbow.
- Survey of 1 140 practitioners: 77.6% of injuries arise during sparring.
- Most often knee (27.1%) and shoulder.
- Concussion rare: 0.6% of injuries in a training survey.
Who it suits
| Judo (IJF) | Brazilian Jiu-Jitsu (IBJJF) | |
|---|---|---|
| Lowest competition age | at IJF events from age 15 | divisions from age 4 |
| Older age | veterans' categories in the IJF rules | Master from age 30 up to Master 7 from age 61 |
| Women | Olympic medals since 1992 | separate divisions with their own weights |
| Mixed competitions | Olympic mixed team since 2020 | we did not find them in the IBJJF rules |
Children
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Minimum competitive age | national rules, for example Judo Victoria in Australia from age 6, IJF events from age 15 | IBJJF divisions from age 4 |
| Protection of children in competition | according to Judo Victoria joint locks and strangles banned up to age 15, up to age 9 also throws falling backwards (sutemi-waza), bout of 2–3 minutes | according to the IBJJF rules overview wrist, knee and ankle locks banned, bout of 2–4 minutes |
| Injuries in youth | Polish study (1977–1980): injuries in 5.7 % of youth against 22.5 % of adults | Brazilian study: adolescents 0.59 injuries per person, adults 1.37, over 30 years 1.94 |
Self-defence
- Randori against full resistance standing and on the ground.
- Strikes are prohibited even in free training.
- The kata Kodokan goshinjutsu and Joshi-goshinho practise defence against attacks.
- Rolling against full resistance, mainly on the ground.
- The competition rules exclude strikes.
- The Hélio Gracie lineage practises self-defence drills, for example defence against several attackers in a circle.
Both arts train against real resistance without strikes. Judo more standing and in grips, BJJ more on the ground.
Practical use
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Self-defence | Kodokan goshinjutsu kata and the women's self-defence form Joshi-goshinho | Gracie Women Empowered programme: 15 lessons, 20 techniques, also risk awareness and verbal strategies |
| Women | Kodokan women's section since 1923, Olympic medals since 1992 | separate women's divisions with their own weights |
| Older age | review of 23 studies: for some less fear of falling, in postmenopausal women improved bone density and balance, IJF veteran categories up to over 70 years, from age 60 no strangles | Master category only from age 61, in a cross-sectional study poorer flexibility of the back of the body was associated with injury |
| Fitness | randori 4 × 5 minutes: heart rate 174–183 per minute in brown and black belts | aerobic and muscular endurance were associated with perceived physical ability more than maximal strength |
The studies concern specific groups and short programmes. No general conclusion about suitability for women, older adults or people with sedentary jobs can be drawn from them. How close the training is to a situation under pressure is shown by the Self-defence transfer scale.
Competition
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Olympic Games | since 1964, except 1968 | we did not find an Olympic status |
| Adult match length | 4 minutes | 5–10 minutes depending on the belt |
| Weight classes | 7 for men, 7 for women | 9 men's weight classes in gi and an open category |
| Decision | ippon, two waza-ari, hold-down 20 s, submission | submission, otherwise points, advantages and penalties |
| Competition clothing | white and blue judogi | white, blue or black gi, or no-gi |
Alongside BJJ points tournaments there are submission-only competitions, for example EBI.
Gear and costs
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| Clothing | judogi: heavy cotton jacket, trousers, belt | gi with narrower sleeves and trouser legs, for no-gi an elastic shirt and shorts |
| Compulsory protectors | we did not find them in the rules | the rules do not require them |
| Relative cost | low | low |
Availability and organisations
| Judo | Brazilian Jiu-Jitsu | |
|---|---|---|
| World federation | International Judo Federation, Budapest | no single authority: IBJJF, SJJIF and others |
| Who awards grades | Kodokan and national federations | the teacher, the IBJJF recognises them according to its deadlines |
| Recognition of grades | depends on the federation, the Kodokan awards grades to judoka from all over the world | we did not find a rule between federations |
Switching and combining
- Grips, throws and falls carry over.
- Experience of randori against resistance.
- Learning the guard and pulling guard, which judo does not permit.
- Getting used to the fact that a hold does not end the match and positions and submission decide.
- Ground technique, chokes and elbow locks carry over.
- Experience of rolling against resistance.
- Developing the throws and falls on which judo scores.
- Unlearning pulling guard, grabbing the legs and leg locks.
The left column describes the move from judo to BJJ, the right the opposite direction.
Philosophy
- Seiryoku zenyo: the most efficient use of energy.
- Jita kyoei: mutual benefit.
- Softness overcomes hardness.
- Japanese terminology, the title sensei traditionally from 4th dan.
- The smaller and weaker can defend against the larger thanks to leverage and position.
- Etiquette: take off shoes, bow, line up by belts, address as professor or coach.
- Emphasis on hygiene: clean gi, covered wounds, short nails.
Forms and terminology
Judo has ten kata recognised by the Kodokan, for example Nage-no-kata with fifteen throws. BJJ has no forms, promotion follows time, age and registration.
Common misconceptions
- BJJ is not classical Japanese jujutsu: Maeda and his companion Satake were both Kodokan judoka.
- BJJ was not created by a single person: it was developed by the Gracie brothers and in parallel by Luiz França and Oswaldo Fadda.
- The story of Hélio Gracie, who modified the technique because of a weak constitution, is disputed, sources state that he took up rowing and swimming.
- The split between judo and BJJ was caused not by techniques but by rules: judo restricted ground fighting, BJJ concentrated on it.
Which to choose
Frequently asked questions
Did BJJ originate from judo?
Yes. Mitsuyo Maeda, a Kodokan judoka, taught in Brazil from 1914 and Carlos Gracie learned judo from him or from his student. The name jiu-jitsu was the name of judo at that time.
Why is there less ground fighting in judo?
The Kodokan restricted ground fighting in the competition rules in 1925 and a hold-down wins after only 20 seconds. Kosen judo develops ground work more.
How long does the path to a black belt take?
In BJJ at least 4.5 years as the sum of the IBJJF minimum times, we have not been able to confirm a typical duration. In judo we did not find minimum times. The age limit for first dan is 15 to 16 years depending on the country.
Where are there more injuries?
The studies measure differently and do not allow a direct comparison. In judo most injuries occur standing during a throw, in BJJ during sparring, most often at the knee and elbow.