Established in August 2000, the National Social Security Fund is a national social security reserve fund, which consists of central budget allocation, state-owned capital transfer, fund investment income and funds raised by other means approved by the State Council. The supplement and adjustment of social security expenditures such as endowment insurance earmarked for the peak period of population aging shall be managed and operated by the National Social Security Fund Council (hereinafter referred to as the Social Security Fund Council).