Collocations for immigration - noun

illegal
undocumented (AmE)
legal
large-scale, mass, massive
increased
uncontrolled
the impact of uncontrolled immigration

continued, continuing
the immense and continuing immigration from Latin America

Hispanic, Jewish, Mexican, etc.

control, curb, curtail, limit, prevent, reduce, restrict, stop
laws restricting immigration into the US

discourage, increase
I think we need to discourage illegal immigration.

encourage
The authorities quickly encouraged immigration.

bill, control, crisis, debate, enforcement, law, legislation, policy, proposal, reform, restrictions, rules
agent (AmE), authority, court (esp. AmE), office, officer, official, service
attorney (AmE), judge (AmE), lawyer
case, hearing, proceedings
violation
They were arrested for immigration violations.

quota
a Senate debate on immigration quotas

rate
the immigration rate for the US

status
the immigration status of the worker

records
US attorneys match immigration records to voting rolls.

papers
His wife finally received her immigration papers.

immigration from
There was a sudden increase in immigration from Europe.

go through, pass through
We landed at Heathrow and went through customs and immigration.

checks, procedures
calls for tighter immigration procedures