---
title: "Prime Minister — AP Comp Gov Definition & Exam Guide"
description: "The prime minister is the head of government in parliamentary and semi-presidential systems, chosen by the legislature. Key for comparing the UK, Russia, and China on the AP exam."
canonical: "https://fiveable.me/ap-comp-gov/key-terms/prime-minister"
type: "key-term"
subject: "AP Comparative Government"
---

# Prime Minister — AP Comp Gov Definition & Exam Guide

## Definition

The Prime Minister is the head of government in a parliamentary system, responsible for leading the executive branch and making important policy decisions.

## Related Study Guides

- [1.5 Sources of and Changes in Power and Authority](/ap-comp-gov/unit-1/sources-power-authority/study-guide/HAHdQvILHepxouwGUSXm)
- [2.3 Executive Systems](/ap-comp-gov/unit-2/executive-systems/study-guide/dDQcnwREgI0YRpscsZsY)
- [2.1 Parliamentary, Presidential, and Semi-Presidential Systems](/ap-comp-gov/unit-2/parliamentary-presidential-semi-presidential-systems/study-guide/lHawA1movmFiqMkf2WJ0)

## Review

### Related Terms

- [Parliament](/ap-comp-gov/key-terms/parliament): A legislative body that consists of elected representatives who make laws and hold debates.
- [Head of State](/ap-comp-gov/key-terms/head-of-state): The ceremonial leader of a country, often separate from the head of government.
- Coalition Government: When multiple political parties come together to form a government and share power.