Extremely Different Countries with the Same Religion

Most people in these countries are part of the same religious denomination, but they are still extremely different

Extremely Different Countries with the Same Language

These countries speak similar languages, but they are still extremely different in other aspects

Similar Countries with Extremely Different Culture

These countries are quite similar, except that their culture is significantly different

Extremely Different Countries with Similar Culture

The culture of these countries is similar, but they are still extremely different in other characteristics