You can be as young as 13 to participate in the Olympics but you must register a year before because the Olympics are so important and they take a LONG time to get ready for. If you don't believe me then research Sarah Willson a 13 year old Olympic Gymnastic! To answer your question, however, then yes you can be 15 to join the Olympics with the right qualifications.
#1 learn Tae Kwon Do
Yes of coores it does
It already is/was in the Olympics
It appeared in 1992.
16 years old.
The name Tae Kwon Do, means - tae - "to stomp, trample", kwon -"fist" -, and do - "way, discipline"
ExCeL Exhibition Centre.
They started on Wednesday 08/20/2008.
Taekwondo is a confirmed sport for both the London 2012 Olympics and the Rio 2016 Olympics.