I would have to say millions of people play golf, worldwide. Actually, the National Golf Foundation says there are at least 26 million golfers. Golf is a fun sport that's not too strenuous and is played by the young and old. Look here for more information: http://en.wikipedia.org/wiki/Golf#Popularity
There are millions of people that play golf in the world. There is estimated to be about 26 million golfers worldwide. The number could probably go up since there are people that like to play golf at home.