Opposition (24)[3] The National Assembly of Panama (Spanish: Asamblea Nacional de Panamá), formerly the Legislative Assembly of Panama (Asamblea Legislativa de Panamá), is the legislative branch of the government of the Republic of Panama.It is a unicameral legislature, currently made up of 71 members, who serve five-year terms.Legislators from outlying rural districts are chosen by a first past the post method, while districts located in more populous towns and cities elect multiple legislators by means of a proportion-based formula.Panama's legislative elections are held simultaneous with its presidential and local elections.Panama also returns a delegation of 20 deputies to the supranational Central American Parliament.