Most countries play water polo in some shape or form, ranging from national teams competing in the likes of the Olympics to school and small-time clubs just playing for fun. It would probably be easier to list the countries that do not play water polo than those that do.
sorry dont know
104 countries
98
32 countries
nearly 30 countries.
50 COUNTRIES
32 countries will play then 16 ,8,4 last of all 2.
All countries play sport.
32.
500
There will be 32 countries taking part.