The 2012 IFSC Climbing World Championships, the 12th edition, were held in Paris, France, from 12 to 16 September 2012.

[1] 102 athletes attended the men's lead competition.

[3] 114 athletes attended the men's bouldering competition.

[4] 48 athletes competed in the women's speed climbing event.

[5] 55 athletes competed in the men's speed climbing event.