The Youth Olympic Games (YOG) is an international multi-sport event organized by the International Olympic Committee. The games are held every four years in staggered summer and winter events consistent with the current Olympic Games format. The first summer version was held in Singapore from 14 to 26 August 2010 while the first winter version was held in Innsbruck, Austria from 13 to 22 January 2012. The age limitation of the athletes is 14 to 18.