The United States Olympic Committee (USOC) announced yesterday its team members for competition at the 2008 Olympic Games in Beijing, China. The U.S. Team will include 596 athletes: 310 men and 286 women. The U.S. Team will compete in 30 sports at the 2008 Olympic Games, including the newest Olympic disciplines of bicycle moto-cross (BMX), open water swimming and women's steeplechase. The United States will also field a team in women's Field Hockey for the first time since 1996 and in Baseball for the first time since 2000. The only team events the United States will not compete in are men's field hockey and team handball.
Source:
http://teamusa.org/news/article/2744
11,028 athletes competing in the Beijing Olympics
104 athletes are competing in the Olympics games for Brazil 2012
Four athletes will be competing in the Olympics under the Independent Olympic Athletes "country" with the Olympic flag.One athlete is from South Sudan, two from Curaçao, and fourth from the Netherlands.
No athletes from Fiji are competing in the 2010 Winter Olympics.
A total of 311 Canadian athletes will be competing in Beijing Olympics 2008.
Some of the athletes competing for Great Britain in the 2008 Olympics will be Penny Clark in Sailing, Julia Beckett in Swimming, and Peter Cousins in Judo. Click on the '2008 British Olympic Team' link below to visit the official British Olympic website and learn more about these and other athletes competing in the 2008 Olympics.
China has the most athletes with 638 competing in the 2008 Summer Olympic Games.
There are 410 athletes in the Australian Olympic team competing at the London 2012 olympics.
216.
Wikipedia lists Italy as having 284 athletes competing in the 2012 Summer Olympic Games
Wikipedia lists Brazil as having 259 athletes competing in the 2012 Summer Olympic Games
As of May 12, 2012 there are 83 Olympic athletes from Mexico in the 2012 Olympics. There are 58 men and 25 women competing in London, England