Europe had the most teams, and Australasia had the fewest with 2 (Antarctica had none, but they are not a federation).
The teams have to qualify.
To qualify all teams in the world cup are in their own groups. The groups are A, B, C, D, etc. The groups consist of teams in their continents. They have to beat people from their continent to advance further through the world cup.
204 teams I think
Antarctica is the only continent not to have a team in World Cup 2010.
40
Now a total of 32 countries qualify for a world cup.
Each continent has a tournament to determine which teams will qualify for the World Cup each four years. Europe gets the most qualifiers with 13 while North America receives at least three, and the hosts and returning champions both qualify automatically.
32 teams qualify every 4 years.
After F.I.F.A divides the countries into groups continent vise they then have to qualify , the first two from each group qualify for the world cup.
Europe.
Europe, or the Uefa confederation.
A total of 3 CONCACAF teams can qualify to the World Cup. The 4th place finisher has a chance to advance after playing a 2-game playoff against the 5th place finisher from CONMEBOL.