How to Say "nationals" in Spanish
The Spanish word for “nationals” is “nacionales” — B2 level.
English → SpanishB2
nounB2formal
citizens of a specific country

Examples
La embajada protege a sus nacionales en el extranjero.
The embassy protects its nationals abroad.
Using Adjectives as Nouns
In Spanish, you can turn an adjective like 'national' into a noun just by putting 'los' in front of it to mean 'the people of that nation.'
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