i think its 10
All but 1980.
all the nations
There was no Olympics during World War 2, they were all canceled so no countries participated.
All European countries with the exception of Vatican City and Kosovo participated at the 2012 London Olympic Games.
All European countries but Vatican City and Kosovo participated in the 2012 London Olympics.
The only country that has participated in ALL of the world cups is Brazil.
204 National Olympic Committees participated in the 2008 Beijing Olympics. Not all of these committees represent a sovereign nation, however. Vatican City and Kosovo were two countries that did not participate, and Brunei (who does have a NOC) also did not participate in the Olympics that year. So in total, 192 countries participated in addition to 12 dependent/autonomous territories. The 2008 Beijing Olympics were the first Olympics that Serbia and Montenegro competed in separately, and were also the first Olympics for the Marshall Islands and Tuvalu.
All the Olympic Games from the first of the modern games there were 974,438.
10,625 athletes participated in the 2004 Summer Olympics in Athens. 2,508 athletes participated in the 2006 Winter Olympics in Turin.
There are 28 countries that patricipate in the Olympics All the countries who pay tax to the Olympics compete in the games..