10
2012
204 countries participated in London Olympics 2012.
380 athletes sailed in Olympics 2012.
50,098 people are expected to come to the Olympics 2012
An estimated 10,500 athletes will compete at the 2012 London Olympics.
An estimated 10,500 athletes will be participating in the 2012 Olympics.
There do not have the same number in each country
205
2,000
none
184
14000