Riksdag Riksdag The Riksdag ( or "Sveriges riksdag") is the national legislature and the supreme decision-making body of Sweden. Since 1971, the Riksdag has been a unicameral legislature with 349 members (), elected proportionally and serving, from 1994 onwards, on fixed four-year terms. The constitutional functions of the Riksdag are enumerated in the Instrument of Government (), and its internal workings are specified in greater detail in the Riksdag Act (). The seat of the Riksdag is at Parliament House (), on the island of Helgeandsholmen in the central parts of Stockholm. The Riksdag has its institutional roots in the feudal
Speaker of the Riksdag alternate and remain members of the Riksdag with voting rights. In case all adult members of the Swedish Royal Family who are in the line of succession to the Throne, as prescribed in the Act of Succession, are out of the country, the Speaker assumes the role of "Regent ad interim" (). This would also be the case if they were all to decease. The Speaker chairs the Riksdag Board (), which deliberates on the organisation of the work of the Riksdag, directs the work of the Riksdag Administration () and decides upon matters of major significance concerning the international