In China, you can find Kung Fu masters at twelve yrs aged. even so, there are lots of kung fu academies that supply youth martial arts, such as for toddlers and preschoolers.
Taekwondo also emphasizes regard, https://tednkte539987.blogoscience.com/34751020/the-smart-trick-of-martial-arts-for-kids-that-no-one-is-discussing