Assertion:. A person who migrates is both an immigrant and an emigrant.
Reasoning: Migration to cities are traditionally age and sex selective i.e. more women of working age groups move to cities.

Assertion (A) is true but Reasoning (R) is not correct.

Immigration: Migrants who move into a new place are called Immigrants.

Emigration: Migrants who move out of a place are called Emigrants.

Migration to cities are traditionally age and sex selective i.e. more men of working age groups move to cities.