Official data: 204 countries.
All European countries with the exception of Vatican City were present in the 2012 London Olympics.
32 countries are participating in archery at London Olympics.
there is 205 countries taking part
There are about 32 countries participating in Archery. some territories are representing themselves
A grand total of 205 countries are participating in London's 2012 Olympics.
No Olympics in 2010, next is 2012, London
My guess, 12000 are participating in the London Olympics
204 countries or Participating National Olympic Committees took part in the games
There are 207 countries participating in the Olympics. 175 countries are participating in the Paralympics.
There are 10,960 athletes participating in the London Olympics. 6098 are men . 4862 are women.They are from 205 countries.