Nativism

[Zipporah Schumaker]

The disposition to favor the native inhabitants of a
country, in preference to immigrants from foreign countries.

[Magaret]

Beliefs and policies favoring native-born [citizens] over [immigrants].

[Gregory]

The theory that concepts, mental capacities, and mental structures are innate rather than acquired by learning.

[Raeanne Dimick]

the political idea that people who were born in a country are more important than immigrants (= people who have come to live in the country from somewhere else)

[Little_Girl]

The policy of protecting the interests of native-born or established inhabitants against those of immigrants.