What Age Should Kids Start Brazilian Jiu-Jitsu? If you're wondering what age your child should start Brazilian Jiu-Jitsu, you're not alone. It's one of the most common questions parents have when considering martial arts for their kids. The truth is, there isn't one perfect age to start BJJ. Every child develops differently, but with the right coaching and environment, kids can begin building a strong foundation at a young age. At Rise Up Brazilian Jiu-Jitsu, our Juniors prog