If you are new to Brazilian Jiu Jitsu, the belt system can look like a secret code. It is not. For kids, belts and stripes are mainly a progress map that helps coaches track skill, maturity, and safety over time.
Most tournaments and many academies reference IBJJF graduation guidelines. The key parent point: kids and teens do not always use the same belt track, even if they train in the same class. [1]
Quick answers for parents
- Kids ages 4 to 15 use the IBJJF youth belt system (13 ranks). [1]
- Teens in the year they turn 16 move into adult belt colors (white, blue, purple, brown, black). [1]
- IBJJF minimum age for blue belt is 16, and the same minimum age applies to purple. [1]
- For ages 4 to 15, IBJJF sets no minimum time at each belt. [1]
- IBJJF publishes three suggested kid degree systems: monthly, quarterly, and triannual. [1]
1) Kids vs teens: which belt system are we using?
Kids belts (IBJJF ages 4 to 15)
IBJJF lists 13 belt ranks for athletes ages 4 to 15. [1]
Teens belts (depends on age, not class name)
- Ages 13 to 15: still in the kids belt system. [1]
- Ages 16 to 17: may be in adult belt colors (white, blue, purple). [1]
- Age 18+: adult belt colors continue (white through black). [1]
The detail that clears up most confusion
IBJJF competition age uses: current year minus birth year. That is why a student can count as 16 during the calendar year they turn 16. [1]
2) Kids belt ranks in order (IBJJF ages 4 to 15)
- White
- Grey and White
- Grey
- Grey and Black
- Yellow and White
- Yellow
- Yellow and Black
- Orange and White
- Orange
- Orange and Black
- Green and White
- Green
- Green and Black
Minimum ages by color group (IBJJF)
- Grey group: ages 4 to 15
- Yellow group: ages 7 to 15
- Orange group: ages 10 to 15
- Green group: ages 13 to 15
This defines age-appropriate groups, not automatic belt timing. [1]
3) When does a teen become a blue belt?
- Blue belt: 16 or older
- Purple belt: 16 or older
- Brown belt: 18 or older
Age eligibility is not automatic promotion. Coaches still decide readiness. [1]
4) Stripes vs degrees: what do they actually mean?
Most academies use stripe-style markers. IBJJF uses the term degrees in youth graduation posters, with the same functional role: visible progress steps inside a belt stage. [1]
- Belts: major stages
- Stripes/degrees: progress within a stage
5) How often do kids get stripes or degrees?
There is no single worldwide stripe schedule. IBJJF publishes three suggested kid degree systems (ages 4 to 15), and coaches choose what fits their program. [1]
Quarterly system (every 3 months)
- 3 degrees inside a belt
- 4th degree moves to next belt color
- Poster cycle shown as total 1 year
Triannual system (every 4 months)
- 2 degrees inside a belt
- 3rd degree moves to next belt color
- Poster cycle shown as total 1 year
Monthly system (every month)
- 11 degrees inside a belt
- 12th degree moves to next belt color
- Poster cycle shown as total 1 year
Special white/grey-white note
IBJJF poster guidance also shows a 1-year cycle split into two 6-month blocks (white belt 6 months, then grey/white 6 months) under a monthly model example. [5]
6) How kids earn the next belt
For youth ages 4 to 15, IBJJF sets no minimum required time at each belt. That makes readiness the deciding factor. [1]
Safety
- Training with control
- Stopping when asked
- Moving and sparring without panic
Consistency
- Attendance over weeks and months
Focus and coachability
- Listening and following directions
- Respectful partner behavior
Skill growth
- Escapes and guard basics
- Top-control basics
- Steady improvement in fundamentals
7) Competition note for older teens (16+)
If your teen competes under IBJJF, belt eligibility and time-in-rank rules can matter.
IBJJF minimum time rules that start at age 18+
- Blue belt: 2 years (with listed exceptions)
- Purple belt: 1.5 years (with listed exceptions)
- Brown belt: 1 year (with listed exceptions)
IBJJF also lists exceptions for certain youth/juvenile registration histories and adult World Champion pathways. [1]
8) Parent FAQs
- Help them show up consistently.
- Prioritize sleep, food, and hydration.
- Praise effort and safe choices, not only wins.
9) Where belt ranks came from (quick history)
Modern ranking systems trace back to judo. The International Judo Federation notes early dan-grade history dating to 1883, with belt system details evolving later. [6]
Many histories also credit Mikonosuke Kawaishi with popularizing multiple colored belts in Europe in 1935 to make student progress easier to track. [7]
Related reading: BJJ Belts, Stripes, and Promotions, How Often Are BJJ Promotions?, and BJJ Black Belt Degree Time.