Gender inequality acknowledges that men and women are not equal and that gender affects an individual's living experience. These differences arise from distinctions in biology, psychology, and cultural norms. Some of these types of distinctions are empirically grounded while others appear to be socially constructed. Studies show the different lived experience of genders across many domains including education, life expectancy, personality, interests, family life, careers, and political affiliations. Gender inequality is experienced differently across different cultures.