How rare are shiny Pokemon?

They Are EXTREMELY rare the chance of finding one is 1/8192 i have been SUPER lucky because i have encountered 15 in my lifetime that are cheat free My First one was a Shiny Volbeat, at the time i thought that it was a Pokemon with a ball capsule attached to it so i caught it and i did research and listened at school i had found a shiny i was getting all kinds of trade offers