54, yuan. According to the information of the Social Insurance Law, medical insurance co-ordination refers to the upper limit of medical expenses that can be paid by the co-ordination fund every year, which is 54, yuan. The employing unit shall pay the basic old-age insurance premium according to the proportion of the total wages of its employees stipulated by the state and record it in the basic old-age insurance pooling fund. Employees shall pay the basic old-age insurance premium according to the proportion of their wages stipulated by the state and record it in their personal accounts. 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 who have participated in the basic old-age insurance shall pay the basic old-age insurance premium in accordance with state regulations and record it in the basic old-age insurance pooling fund and individual account respectively.