No, football is not included in the Olympics because football is not an international sport. In other words, not every country has a football team, since football is an American sport.
204 National Olympic Committees or NOCs in the 2012 Plympics
205 countries are expected in Olympics 2012.
7
126(qualified) nations and 204(estimated) nations
205 countries
The cook Islands are expected to take a team of 5. They have never won an Olympic medal.
An estimated 205 nations will/might take part in the Olympic Games in 2012
Around 10,500 athletes from 204 National Olympic Committees (NOCs) are expected to participate
Around 10,500 athletes from 204 National Olympic Committees (NOCs) or countries took part in the 2012 London Olympics
The 2012 Olympic Games were held in London, England. They were the summer games.
The London 2012 Olympic Games are held in the Olympic Stadium.
After the olympic games in Beijing the next olympic games are in London, England in 2012