asking about nationality

[Margarida]

Hi,

Is this question correct?

What is your nationality?

Thanks,

Margarida

[Anglika]

Welcome to the forums.

It is perfectly correct, if a little formal.

[Margarida]

Hi Anglika,

Thanks for welcoming me and thanks for your quick answer. You were very helpful.

Margarida

[Ouisch]

It is correct usage, but in AmE the answer will vary, depending upon who is asking: a customs official or an acquaintance/friend/co-worker. The customs official wants to know your country of birth. A co-worker that asks me "What's your nationality?" wants to know my ethnic background (in my case, my mother is of Irish/German heritage, and my father is Czechoslovakian).