136
South Africa is sending 136 athletes to compete at the 2008 Olympics. Source: http://en.wikipedia.org/wiki/2008_Summer_Olympics
Oscar Pistorius
Usian bolt
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South Africa sent a team of 84 athletes to compete at the 1996 Games in Atlanta. South Africa won 5 medals (3 gold, 1 silver, 1 bronze).
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21 African countries boycotted the 1971 (i think that was the year) Olympics because of south africas racist views and new zealand letting the south African rugby tour proceed 81 nations participated in the 1980 Summer Olympics in Moscow.
About 137 athletes
675
67
They had 125 athletes at the London 2012 Olympics.
Four countries don't have an official team at the Olympics flying their country's flag which include:- Kosovo- Curaçao(*)- South Sudan (*)- Vatican City/Holy See (**)See related link for more details.(*) However, both Curaçao and South Sudan have athletes competing but entered under the "Independent Olympic Athletes" team so the country is not officially participating.(**) The Vatican or Holy See is recognized as one of the independent countries of the world, but does not have a National Olympic Committee nor does it participate in the games.The Olympics can be as complex as the United Nations in how a country is represented. Disputes in what a country is and what land belongs to which country makes it difficult for many athletes.