Migrations, permanently inscribed in the history of human development, have been and are determined by a number of factors. This paper, the aim of which is to demonstrate current causes of migrations, sets out to settle the formulated research questions concerning the main contemporary factors of movement of people and to point to conditions which may affect these processes occurring in the future. It analyses social and economic factors (including the issues of development disproportions between countries, food problems, debt issues), technological, demographic, political as well as those associated with the occurring changes in man’s natural environment. A hypothesis has been formulated in accordance with which we are increasingly dealing with the fact that individual factors determining the movement of people permeate, which affects the impossibility of clear indication of its specific cause. The hypothesis was verified positively.