He is Mexican.
He is from Mexico.
They are Spanish.
They're from Spain.
I'm from France.
I'm French.
She is Japanese.
She is from Japan.
I'm from Portugal.
I'm Portuguese.
We are British.
We are from The UK.
You are Chilean.
You are from Chile.
He is from Turkey.
He is Turkish.
I'm from China.
I'm Chinese.
She is Australian.
She is from Australia.
He is American.
He is from The USA.
She is from Canada.
She is Canadian.