104 countries
8 countries participated in the 1975 Cricket World Cup.
8 countries participated in the 1979 Cricket World Cup.
12 countries participated in the 1996 Cricket World Cup.
14 countries participated in the 2003 Cricket World Cup.
12 countries participated in the 1999 Cricket World Cup.
8 countries participated in the 1987 Cricket World Cup.
9 countries participated in the 1992 Cricket World Cup.
8 countries participated in the 1983 Cricket World Cup.
It is 14 countries.
There are more then 100 countries all over the world were cricket is played according to the Laws of Cricket.
14