There's actually a concurrent discussion going on in the 'General Talk' thread about the legal age of consent:
http://www.bdsmlibrary.com/forums/showthread.php?t=2255
Someone found and posted a link to a 'legal age of consent' chart for countries all over the world. It was really interesting; in the country where I was born (South Korea) I could have had sex at the age of 13!