204 nations.
there were 62 goals scored at the euro 2008
4,955 athletes from 69 countries competed in the 1952 Summer Games in Helsinki.
71 countries.
Seventy-one (71) countries and dependencies competed in the 2010 Commonwealth Games
81 countries competed in the 2010 commonwealth games in new delhi :D
40
59
10
Sixteen countries shall participate in the UEFA Euro 2016 tournament.
The Euro is the same in all countries, there is only one Euro.
204