2,622 athletes participated in 2010 Winter Olympics held in Vancouver, British Columbia, Canada.
252 athletes competed at the 1932 Winter Olympics.
152
There were no Winter Olympics in 1942.
Jamaica in the 4-man bobsled.
The People's Republic of China first competed at the 1952 Summer Games in Helsinki when they sent one athlete, a swimmer named Wu Chuanyu, to the Games. They did not compete in another Olympics until the 1980 Winter Olympics in Lake Placid. They have competed in every Winter Olympics since then and competed in every Summer Olympics since 1984.
A total of 464 athletes competed in the 1928 Winter Olympics (438 men, 26 women).
Australia has competed at every Summer Olympics and all Winter Olympics except 1924, 1928, 1932, and 1948.
250
250
No, Haiti has never competed in a Winter Olympics and did not plan on competing at the 2010 Games in Vancouver.
Sports that were competed at the first Winter Olympics (1924) that are still being competed today (2010) are bobsleigh, figure skating, ice hockey, ski jumping, speed skating, nordic combined, and cross country skiing. Curling was also competed at the 1924 Winter Olympics but did not return until the 1998 Winter Olympics.