The difference between a country and a nation

The nation represents the country; A nation, like China, is a nation. Nationality is nationality. For example, "You have China nationality" means you have China nationality.

Country examples:

The economy of this country is growing. The economy of this country is growing.

This is a story that touched the heart of this country. This is a story that touched the whole nation.

Example of nationality:

He has China nationality. He has China nationality.

We are both of the same nationality. We are both of the same nationality.