12 teams participated in the inaugural ICC World Twenty20 Championship held in 2007.
24 Countries participated in the 2011 World Men's Handball Championship.
13 teams participated in the 1930 World Cup. These are as follows:ArgentinaChileFranceMexicoYugoslaviaBrazilBoliviaUruguayRomaniaPeruUSParaguayBelgium
14 countries participated in the 2011 Cricket World Cup
9 countries participated in the 1992 Cricket World Cup.
8 countries participated in the 1983 Cricket World Cup.
8 countries participated in the 1987 Cricket World Cup.
The only country that has participated in ALL of the world cups is Brazil.
8 teams participated in th opening world cup 1975
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32 teams from different countries participated in the 2010 FIFA World Cup.
14 teams participated in the icc world cup 2011
Fourteen countries partipicated in world cup 2011.