Can self-employed people buy social security? How many people can they buy?

Yes, the social insurance law stipulates that self-employed individuals can pay social security, only pension insurance and medical insurance. The second paragraph of Article 10 of the Social Insurance Law stipulates that "individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employer and other flexible employees can participate in the basic old-age insurance and pay the basic old-age insurance premium.