Africa
Africa has 55 countries, a gigantic continent! I have just seen 2 countries, actually an undiscovered continent for me.
Europe
The continent of Europe has 49 countries. In well-known Europe I am over half! I have already visited 43 countries.
South America
The continent of South America consists of 13 countries of which I have already visited 4. I look forward to visit the other 9 countries!