How do you say his nationality is Puerto Rican in french?

There are two ways to say "his nationality is Puerto Rican" in French, depending on the context:

1. Il est de nationalité portoricaine. This is the most formal and literal translation.

2. Il est portoricain. This is a more informal and common way to say it. It simply means "he is Puerto Rican."

Both options are grammatically correct and understandable. The choice depends on the level of formality of the situation.