205
205 countries are expected in Olympics 2012.
205
204.
205
204
There are 205 countries participating in the 2012 Olympics.
204 Olympic Committees sent athletes to the 2012 Olympic Games (which includes sovereign countries, unrecognized countries, and territories).
205 countries
204200 countries have at least a single athlete
205
No Olympics in 2010, next is 2012, London
Australia, France, Great Britain, Greece and Switzerland have competed in all of the Olympic games as of 2012.