in the relevant autonomous Gu/Si/Gun as a unit, respectively. <Newly Inserted on Aug. 4, 2005> (3) The constituency members of the National Assembly and the constituency members of local councils (referring to the constituency members of City/Do councils and the constituency members of autonomous Gu/Si/Gun councils; hereinafter the same shall apply) shall be elected in the constituency for the members concerned as a unit. <Amended on Feb. 16, 2000; Aug. 4, 2005> (4) The head of a local government shall be elected in the area under jurisdiction of the relevant local government as a unit. Article 21 (Fixed Number of Members of the National Assembly) (1) The fixed number of members of the National Assembly shall be comprised of 300 persons by adding 253 constituency members and 47 proportional representation members. <Amended on Jan. 14, 2020> (2) The fixed number of members of the National Assembly to be elected in a single constituency (hereinafter referred to as "constituency for electing a member to the National Assembly") shall be one person. <Amended on Mar. 3, 2016> Article 22 (Fixed Number of Members of City/Do Council) (1) The total number of City/Do council members in a local constituency for each City/Do shall be two times the number of each autonomous Gu/Si/Gun under its jurisdiction (referring to a local constituency for electing a member to the National Assembly where one autonomous Gu/Si/Gun is divided into two or more local constituencies for electing members to the National Assembly, and referring to an administrative district where a local constituency for electing a member to the National Assembly does not coincide with an administrative district due to territorial changes in administrative districts), and such number may be adjusted within the limit of 14/100, in consideration of population, administrative districts, topography, transportation and other conditions: Provided, That the fixed number of City/Do council members in a local constituency in autonomous Gu/Si/Gun shall be at least one person. <Amended on Feb. 13, 2014; Mar. 3, 2016> (2) Where a Si and a Gun are unified into a Si of the urban and rural complex form under Article 10 (2) of the Local Autonomy Act, the fixed number of the Do council members in charge of the relevant Si and the fixed number of Do council members in the relevant Si shall be determined, in consideration of the number of council members before such unification, only if an election of the City/Do council members at the expiration of their term of office takes place for the first time after such unification, notwithstanding paragraph (1). <Amended on Apr. 30, 1998; Aug. 4, 2005; Jan. 25, 2010; Jan. 12, 2021> (3) In a Metropolitan City and a Do in which the fixed number of council members calculated in accordance with the criteria provided for in paragraphs (1) and (2) is fewer than 19, the fixed number of such Metropolitan City/Do council members shall be 19. <Amended on Apr. 30, 1998; Mar. 7, 2002; Jan. 25, 2010>