Is the contribution base of provident fund and social security the same?

Legal analysis: different. Housing provident fund and social security belong to different purposes, and their bases are different. The monthly deposit amount of employee housing provident fund is the average monthly salary of employees in the previous year multiplied by the deposit ratio of employee housing provident fund. The monthly deposit amount of housing provident fund paid by the unit for employees is the average monthly salary of employees in the previous year multiplied by the proportion of housing provident fund paid by the unit.

Legal basis: Article 3 of the Labor Law of People's Republic of China (PRC) enjoys equal employment and choice of occupation, labor remuneration, rest and vacation, labor safety and health protection, vocational skills training, social insurance and welfare, labor dispute settlement and other labor rights stipulated by law. Laborers should complete labor tasks, improve their professional skills, implement labor safety and health laws and regulations, and observe labor discipline and professional ethics.