The All-China Federation of Trade Unions, created on May 1, 1925, is the leading body of all local federations of trade unions and national industrial unions in China. The major social functions of the Chinese trade unions are as follows: to protect the legitimate interests and democratic rights of workers and staff members; to mobilize and organize workers and staff members to take part in construction and reform, and accomplish tasks in economic and social development; to participate in the democratic management of enterprises and educate workers and staff members to constantly improve their ideological and moral qualities and raise their scientific and cultural levels. At the end of September 2004, the federation had a membership of 136.949 million. Wang Zhaoguo is current chairman of its Executive Committee.