The focal point of this dissertation is the recent discussion on the ethics of immigration. The main question considered is: “Should a state promote immigration?” Promoting immigration means allowing immigrants to enter inside and also offering them rights in view of treating them properly in the course of integration within the host communities. In answering this question, three perspectives are critically examined: utilitarian, liberal egalitarian and libertarian. In the first chapter I assess the utilitarian arguments on immigration and weigh the objections related to them. The core of this chapter represents the analysis of the consequences of immigration on the following categories: immigrants, native workers, home and host co...