Currently the record number of countries participating in the World Championships is 14.
He participated in the World Championships three times (1930, 1931, and 1933).
However, her jump was just short of the B standard needed to participate in the World Championships.
Later that summer, he participated in the 1998 World Championships.
The following year, in 2001 she participated in the World Championships also.
She also participated in the World Sprint Championships two weeks later, finishing 23rd.
However, he was not allowed to participate in the 2007 World Championships because of nationality issues.
She participated in the World Championships in 2005 and 2009.
After a successful season he was selected to participate in the 2010 World Championships.
He also participated in the 1991 World Ski Championships.