immigration
US /ˌɪm.əˈɡreɪ.ʃən/
UK /ˌɪm.əˈɡreɪ.ʃən/

1.
the action of coming to live permanently in a foreign country
:
•
The country has a strict immigration policy.
•
Many people are concerned about the impact of immigration on the economy.
2.
the place where officials check the documents of people entering a country
:
•
We had to wait for an hour at immigration.
•
Please proceed to the immigration counter.