Head of Government

In AP Comparative Government, the head of government is the executive who actually runs the government day to day, leading the cabinet, directing policy, and overseeing the bureaucracy, like the UK prime minister or China's premier. It's distinct from head of state, the ceremonial symbol of the nation.

Verified for the 2027 AP Comparative Government examLast updated June 2026

What is the Head of Government?

The head of government is the person who does the real work of executing power. They lead the cabinet, formulate and implement policy, and oversee the civil service and government agencies (PAU-3.C.1). Think of it this way: the head of state is the face of the country, while the head of government is the manager of the country.

Who holds this job depends on the system. In a parliamentary system like the UK, the legislature selects and can remove the head of government, the prime minister (PAU-3.A.1). In presidential systems like Mexico and Nigeria, one popularly elected president serves as both head of state AND head of government (PAU-3.A.2). China splits it differently. The president holds the symbolic and party power roles, while the premier, nominated by the president and approved by the NPC, serves as head of government overseeing the civil service (PAU-3.C.2). Russia's semi-presidential system has both a president and a prime minister, with real power tilted heavily toward the president.

Why the Head of Government matters in AP Comparative Government

This term lives in Unit 2 (Political Institutions), specifically Topic 2.1 (parliamentary, presidential, and semi-presidential systems) and Topic 2.3 (executive systems). It directly supports two learning objectives. AP Comp Gov 2.1.A asks you to describe the three executive system types, and you literally cannot do that without knowing whether the head of government and head of state are fused or split. AP Comp Gov 2.3.A asks you to explain how executive leadership is structured and how it changes across the six course countries. Sorting out who is head of government in each AP6 country is the foundation for almost every executive-power comparison the course makes, including selection processes, removal mechanisms, and accountability to the legislature.

How the Head of Government connects across the course

Head of State (Unit 2)

These are the two halves of executive leadership. In Mexico and Nigeria one president holds both roles, while the UK splits them between the monarch (state) and prime minister (government). Knowing which countries fuse the roles and which split them is the fastest way to classify an executive system.

Prime Minister (Unit 2)

In the UK and Russia, 'prime minister' is the specific title the head of government holds. But the two PMs are not equally powerful. The UK PM is the dominant executive, while Russia's PM sits below a president who controls the real levers of power in the dual executive.

Cabinet (Unit 2)

The head of government leads the cabinet, but who the cabinet answers to varies. In parliamentary systems the legislature can remove the cabinet along with the head of government, while in presidential systems the cabinet answers mostly to the president and the legislature can only reach it through impeachment (PAU-3.A.2).

Civil Service (Unit 2)

Heading the government means heading the bureaucracy. China makes this explicit in the CED, where the premier serves as head of government overseeing the civil service. That's the implementation side of PAU-3.C.1: chief executives don't just make policy, they run the machinery that enforces it.

Is the Head of Government on the AP Comparative Government exam?

Multiple-choice questions love using the head of government to test whether you can classify systems. Released-style stems ask why Russia's dual executive favors the president over the prime minister, how the Mexican president's fused role (head of state and head of government) shapes governance, and what distinguishes the UK's executive from Mexico's presidential model. The UK monarch-versus-PM relationship also shows up as a way to test democratic principles. On the free-response side, the 2023 comparative analysis question asked you to compare how two course countries select their executives and restrict executive power, which is impossible to answer well without naming the correct head of government in each country. The skill being tested is precision: say 'the UK prime minister is selected by Parliament and can be removed by a vote of no confidence,' not just 'the leader is chosen.'

The Head of Government vs Head of State

The head of state symbolizes the nation (ceremonies, embodying national unity), while the head of government runs the government (policy, cabinet, bureaucracy). The confusion happens because some countries combine them and some don't. Mexico's and Nigeria's presidents are both at once. The UK splits them between monarch and prime minister. China's president is the symbolic and party-power figure while the premier is head of government. If an exam question gives you a country, your first move is asking whether the roles are fused or split.

Key things to remember about the Head of Government

  • The head of government is the executive who actually runs day-to-day governance, leading the cabinet and overseeing policy implementation and the civil service.

  • In parliamentary systems like the UK, the legislature selects the head of government and can remove them, because lawmaking and executive functions are combined.

  • In presidential systems like Mexico and Nigeria, one popularly elected president serves as both head of state and head of government for a fixed term.

  • In China, the premier (nominated by the president and approved by the NPC) serves as head of government overseeing the civil service, while the president holds the top party and military roles.

  • Russia's semi-presidential system has both a president and a prime minister, but the structure creates a power imbalance that favors the president.

  • For comparative FRQs, always identify the correct head of government title for each country and explain how that person is selected and removed.

Frequently asked questions about the Head of Government

What is the head of government in AP Comp Gov?

The head of government is the executive who runs the government day to day, leading the cabinet, directing policy, and overseeing the bureaucracy. Examples include the UK prime minister, China's premier, and the presidents of Mexico and Nigeria.

Is the president always the head of government?

No. In presidential systems like Mexico and Nigeria, yes, the president is both head of state and head of government. But in China the premier is head of government, not the president, and in the UK the prime minister holds the role while the monarch is head of state.

How is the head of government different from the head of state?

The head of state is the symbolic, ceremonial representative of the nation, while the head of government manages actual governing. The UK shows the split clearly: the monarch is head of state and the prime minister is head of government.

Who is the head of government in China?

The premier. The CED specifies that China's president nominates the premier, who serves as head of government overseeing the civil service, while the president serves as commander in chief and General Secretary of the Chinese Communist Party.

Does Russia's prime minister have real power as head of government?

Far less than the title suggests. Russia's semi-presidential structure creates a dual executive, but the power balance strongly favors the president, which is exactly the kind of imbalance multiple-choice questions ask you to explain.