Systems of Government
Presidential System
Also Known As Presidentialism
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A presidential system is a form of government built on separation of powers, in which a popularly elected president serves as both head of state and head of government, sits outside the legislature, and holds office independently of legislative confidence.
Facts
Origin Year1789 marks George Washington's inauguration as the first president under the United States Constitution, the first government organised on the presidential model: a popularly elected chief executive holding office independently of the legislature's confidence. The Constitutional Convention drafted the document in 1787 and the states completed ratification in 1788, but the presidential system itself began operating only once the office was filled and the government convened in 1789. Founding ContextFirst established under the United States Constitution of 1787, which vested executive power in a president chosen separately from the legislature and serving a fixed term independent of legislative confidence, a model later adopted, often with variations, across Latin America and elsewhere. 1 Learn More
The Presidential System: Separating Executive From Legislature
A presidential system elects its head of state and head of government, one person holding both roles, separately from its legislature, and fixes that president's term so the legislature cannot remove them through an ordinary vote the way a parliamentary system can dismiss a prime minister. Executive and legislative power are meant to check each other precisely because neither depends on the other for its survival in office.
The United States Constitution of 1789 built the first modern presidential system on that separation of powers, deliberately rejecting the fused executive and legislature of Britain's parliamentary model the former colonies had just broken from. James Madison and the Constitution's other framers designed the presidency, Congress and the courts to check one another by structure rather than by convention, so that no single branch could accumulate the kind of unaccountable authority the colonies associated with the crown.
The design has since become one of the most widely copied constitutional templates outside its country of origin, adopted with local variations across Latin America, West Africa and elsewhere. A peaceful transfer of power between an outgoing and incoming president, resolved by a fixed election calendar rather than by a legislature's changing confidence, remains the system's central practical test.
Cross-Tradition Connections
Associated With
Mexico, Countries Mexico operates a presidential system with a popularly elected president as both head of state and government.
The United States is the paradigm presidential system, the office created 1787-88.
Held Differently
Encompasses
A fixed, election bound succession of the executive is a defining expectation of the presidential system as a form of government.
Influenced By
The 1787 Constitution's separately elected, fixed term executive is the founding model political scientists call presidentialism.
Practiced By
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