there are 204 nations competing in this olympics
205
Yes, Swaziland will be competing in the 2012 Olympics.
Yes, Aruba will be competing in the 2012 Olympics.
Yes, Azerbaijan will be competing in the 2012 Olympics.
Yes, Albania will be competing in the 2012 Olympics.
Yes, Andorra will be competing in the 2012 Olympics.
Yes, Argentina will be competing in the 2012 Olympics.
Yes, Angola will be competing in the 2012 Olympics.
Yes, Austria will be competing in the 2012 Olympics.
Yes, Brazil is competing in the 2012 Olympics.
Yes, Australia will be competing in the 2012 Olympics.