Approximately 2.8 million people worldwide are affected with multiple sclerosis (MS)-a chronic demyelinating and neurodegenerative disease of the central nervous system with increasing prevalence. 1,2 It continues to be a challenging and disabling condition, predominantly affecting individuals in their early life, and has an impact functionally, financially and on quality of life. 3 Moreover, MS poses a high cost to society in terms of both direct and indirect costs. 4,5 In the research on health-related social inequalities, two principally different relationships may be distinguished between social factors and health: the influence of adverse socioeconomic conditions on health and the reverse-that illness has an adverse effect on socioeconomic circumstances. 6 Much of the recent research on social factors and health has focussed on the aetiological role of socioeconomic conditions; however, chronic illness, such as MS, may have social and economic consequences, for example unemployment or exclusion from the labour market, and financial difficulties. 6,7 Previously published reviews in the field focus only on particular socioeconomic outcomes, for example employment status, in a nonsystematic manner. 8 Thus, there is a need for a systematic approach.A literature review on factors related to difficulties with employment