over 10,000 athletes will compete in the 302 events
14000
6
An estimated 10,500 athletes will be participating in the 2012 Olympics.
A grand total of 205 countries are participating in London's 2012 Olympics.
My guess, 12000 are participating in the London Olympics
23452000
204
530 US athletes will be participating at the 2012 London Olympics.
136
32 countries
over 10,000
53 countries