Brazilian Jiu Jitsu

Quick answer: the IBJJF listed roughly 9,600–10,200 certified black belts as of mid-2025, but certification is optional — broader estimates […]

As a practitioner of Brazilian Jiu-Jitsu, you understand the significance of the belt in your journey through this martial art.

Use this IBJJF rules hub to check scoring, uniforms, weight classes, age divisions, legal techniques, and official rule book sources before competing.

Official IBJJF weight classes for 2026 — adult, master, juvenile, and kids divisions in gi and no-gi, with limits in both kilograms and pounds from the official IBJJF charts.

Learn how IBJJF age divisions work in 2026 for kids, juveniles, adults, and masters, including the birth-year calculation and registration caveats.

Learn BJJ rules and scoring basics, including points, advantages, penalties, submissions, IBJJF-style scoring, and beginner competition tips.

Learn IBJJF no-gi rules for beginners, including scoring, uniforms, weigh-ins, legal techniques, and competition strategy.

Use this BJJ gi size chart to choose the right A, F, or W size, then adjust for body type, brand fit, shrinkage, and competition rules.

Official IBJJF gi requirements for 2026: legal colors, inspection measurements, belt and patch rules, and what fails gi inspection.

Learn the BJJ points system with an IBJJF-style scoring chart, examples, advantages, penalties, and beginner strategy.