I have no friend to contact in my mail can you tell me how to find friend?

i'm 15 years old . i want to have friend from all variety kingdom .i want to hacve many friends from variety kingdom because iwant to know about tht country ,as example canada. inever went to canada but if i have friend at canada maybe i can know about canada from friends at canada. i olso very poor in my english , maybe during i contact with friends from many variety i can improve my english. but, i don't know how to do it .please help me!.