This document defines social mobility and discusses the types and forms of social mobility. It begins by defining social mobility as the movement of an individual or group between social statuses or positions. It identifies two main types of social mobility: vertical and horizontal. Vertical mobility refers to a change in class or power, such as moving from poor to middle class. Forms of vertical mobility include upward, downward, intergenerational, intragenerational, and structural mobility. Horizontal mobility involves a change in position but not status, such as changing jobs but remaining in the same occupational class. The document lists several factors that can influence social mobility such as education, skills, migration, and modernization.