Systems of Government
Semi-Presidential System
Also Known As Semi-Presidentialism
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A system of government that combines a president elected directly by voters and holding real executive power with a prime minister and cabinet who are separately accountable to, and can be removed by, the legislature, so executive authority is genuinely shared between two offices rather than concentrated in one. The French political scientist Maurice Duverger named and defined the category, drawing chiefly on France's Fifth Republic, established in 1958 and strengthened by the 1962 reform that made the presidency directly elected. France is generally treated as the model case, though Duverger himself, and later scholars, found that semi-presidential systems function quite differently from one country to the next depending on whether the president's own party also controls the legislature.
Facts
Origin YearDuverger described the concept in a 1970 lecture, developed it at length in his 1978 book Echec au roi, and it reached an English-language audience only in his 1980 European Journal of Political Research article. Sources differ on which of these three dates to credit as the concept's origin; this entry records the earliest without treating the question as settled. The system France itself is modeled on dates earlier still, to the 1958 and 1962 constitutional reforms. Founding ContextThe term was coined in 1959 by journalist Hubert Beuve-Mery and popularized in 1978 by political scientist Maurice Duverger, both describing France's Fifth Republic. 1 Cross-Tradition Connections
Associated With
Why this is disputed. Whether Germany's Weimar Republic, with its directly elected president and a chancellor separately accountable to the Reichstag, counts as an early instance of semi-presidentialism is disputed among scholars of the type: the constitutional shape matches, but Duverger's category was defined decades after Weimar collapsed and around a different model, France's Fifth Republic, so applying it retroactively to Weimar is a scholarly judgment rather than a settled classification.
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