List of leaders of the Soviet Union
Overview
 
Under the 1977 Soviet Constitution
1977 Soviet Constitution
At the Seventh Session of the Supreme Soviet of the USSR Ninth Convocation on October 7, 1977, the third and last Soviet Constitution, also known as the "Brezhnev Constitution", was unanimously adopted...

 of the Union of Soviet Socialist Republics (USSR), the Chairman
Premier of the Soviet Union
The office of Premier of the Soviet Union was synonymous with head of government of the Union of Soviet Socialist Republics . Twelve individuals have been premier...

 of the Council of Ministers was the head of government
Head of government
Head of government is the chief officer of the executive branch of a government, often presiding over a cabinet. In a parliamentary system, the head of government is often styled prime minister, chief minister, premier, etc...

 and the Chairman of the Presidium
Presidium of the Supreme Soviet
The Presidium of the Supreme Soviet was a Soviet governmental institution – a permanent body of the Supreme Soviets . This body was of the all-Union level , as well as in all Soviet republics and autonomous republics...

 of the Supreme Soviet was the head of state
Head of State
A head of state is the individual that serves as the chief public representative of a monarchy, republic, federation, commonwealth or other kind of state. His or her role generally includes legitimizing the state and exercising the political powers, functions, and duties granted to the head of...

. The office of the Chairman of the Council of Ministers was the equivalent to a First World
First World
The concept of the First World first originated during the Cold War, where it was used to describe countries that were aligned with the United States. These countries were democratic and capitalistic. After the fall of the Soviet Union and the end of the Cold War, the term "First World" took on a...

 Prime Minister
Prime minister
A prime minister is the most senior minister of cabinet in the executive branch of government in a parliamentary system. In many systems, the prime minister selects and may dismiss other members of the cabinet, and allocates posts to members within the government. In most systems, the prime...

, while the office of the Chairman of the Presidium was equivalent to the office of the President. In the Soviet Union's seventy-year history there was no official leader of the Soviet Union offices but a Soviet leader usually led the country through the office of the Premier
Premier of the Soviet Union
The office of Premier of the Soviet Union was synonymous with head of government of the Union of Soviet Socialist Republics . Twelve individuals have been premier...

 and/or the office of the General Secretary
General Secretary of the Communist Party of the Soviet Union
General Secretary of the Central Committee of the Communist Party of the Soviet Union was the title given to the leader of the Communist Party of the Soviet Union. With some exceptions, the office was synonymous with leader of the Soviet Union...

 of the Communist Party of the Soviet Union
Communist Party of the Soviet Union
The Communist Party of the Soviet Union was the only legal, ruling political party in the Soviet Union and one of the largest communist organizations in the world...

 (CPSU).
 
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