Today, retirement is a process that many people have access to. This is due to the fact that global life expectancy has increased, and in many countries retirement, as a form of remuneration after years of work, is guaranteed by social security funds. For many members of society, the accessibility of retirement creates the need to know more about it. In this respect, the present article addresses the issue of defining retirement and lists the main predictors of retirement, or those factors related to the continuation of professional activity. At the same time, this article lists several factors, identified in the literature, as predictive factors of adjustment after retirement.