The number of people suffering from mental disorders and receiving disability pensions is still increasing in Europe. Young persons in their working-age are receiving disability pensions more and more often. Among those who are incapable to work (due to both mental and somatic disorders), persons on benefits due to mental disorders are usually younger. The number of disability pensions depends on the sort of mental disorder. Persons suffering from affective and anxiety disorders are the most common group receiving benefits. An increase in the number of disability payments among people with several mental disorders or both, mental and somatic diseases is observed. Furthermore, research data shows Poland as the country with high costs relevant disability payments. Disability pensions assignment for persons suffering from mental disorders, as well as incapacity for work, is discussed in this article. The reason for a still increasing number of disability payments is explained, the characteristics of persons applying for disability pensions is introduced and the mental impaired persons' incapacity for work is described.