There are different assumptions about how many continents are in the world. The generally assumed number of continents is seven. Continent means one of the principal landmasses of the earth. If you assume Europe and Asia as a one continent Eurasia there are 6 continents. If you assume North America and South as one continent America as one continent there are 6 continents.
List of continents:
1. Africa
2. Antarctica
3. Asia
4. Australia (Oceania)
5. Europe
6. North America
7. South America
Number of continents
7 continents : Africa , Antarctica , Asia , Australia, Europe, North America , South America
6 continents : Africa , Antarctica , Australia, Eurasia, North America , South America
6 continents : Africa , Antarctica , Asia , Australia, Europe, America
5 continents : Africa , Antarctica , America , Eurasia , Australia
4 continents : America , Antarctica ,Afro-Eurasia ,Australia
