Most of them
Olympics 2012
An estimated 10,500 athletes will be participating in the 2012 Olympics.
There are 10,960 athletes in London's 2012 Olympics. UK has the most with 557 athletes, followed by US with 534 and Russia with 441.
At the moment, they are scheduled to take part in quite a few events. See related link.
216
205
hello
Scottland did not take part in the Olympics except as part of Great Britain and as part of the Host nation they received speacial benefits allowing qualification for events.
Snowboarding will be part of the 2014 winter Olympics
there was about 500 taking part in the Olympics for America.
Yes they are with 83 athletes in 55 events and have already earned a few medals by August 5 2012 and have 16 events remaining