It depends on the purpose :
Geographically, there are 4 continents ; Eurasiafrica, America, Australia, Antartica.
Sociopolitically, there are 6 continents ; Afrika, Asia, Australia, Europe, South America, and North America.
Sportly, There are 5 continents ; Europe, America, Asia, Australia, Africa.
Historically, there was only one continent ; The Gondwana Land.
Geologically, there are 7 continents ; Eurasia, Africa-southAmerica, Australia, Antartica, North America, and India.
Frankly, I have no Idea how many continents there should be.....![Smile [:)]](/emoticons/emotion-1.gif)