How many levels are there in martial arts?

There are literally dozens of styles, each with their own branches for a total of hundreds of kinds of Martial Arts. * Boxing * kickbox * muay thai * Okinawan karate - kyokoushin, * Japanese Karate - shotokan, * wing chun * Wrestling * Brazilian jiu jitsu * Judo * Aikido * Kendo * iaido * copiera * Jiu jitsu * hapkido * tae kwon do