Immigration laws typically address a wide range of subjects, including the various kinds of visas, eligibility requirements, admission procedures, documentation requirements, employment opportunities, family reunification, asylum and refugee processes, deportation and removal procedures, and the rights and protections that are afforded to immigrants. In a general sense, immigration laws cover all of these subjects as well as others.
The purpose of immigration legislation is to strike a balance between the competing goals of protecting a nation’s security and sovereignty, taking into account humanitarian concerns, and meeting a country’s economic necessities.
It is intended to build a framework that enables the movement of people in an organized and regulated manner while preserving the interests of both the country that is hosting immigrants and the immigrants themselves.