Regime

In AP Comparative Government, a regime is the set of fundamental rules, institutions, and norms that controls who gets political power and how they can use it. Regimes outlast individual governments and are classified as democratic, authoritarian, or somewhere in between.

Verified for the 2027 AP Comparative Government examLast updated June 2026

What is Regime?

A regime is the rulebook of a political system. It includes formal structures like constitutions and electoral laws, plus informal norms like unwritten traditions about who really holds power. Per the CED (AP Comp Gov 1.2.A), regimes refer to the fundamental rules that control access to and the exercise of political power, and they typically endure from government to government. That last part is the key insight. When a new president or prime minister takes office, the government changes but the regime stays the same. The regime only changes when the rules of the game themselves change, like Mexico shifting from one-party PRI dominance to competitive multiparty democracy.

Regimes are characterized as democratic or authoritarian based on how they set the rules. Democratic regimes feature competitive elections, rule of law, and protected civil liberties. Authoritarian regimes concentrate power, rely on rule by law (using law as a tool of the state rather than a limit on it), and restrict participation. Many real-world systems sit in between as hybrid or competitive authoritarian regimes, which is exactly why the AP course countries (the UK, Mexico, Nigeria, Russia, Iran, and China) span the whole spectrum.

Why Regime matters in AP Comparative Government

Regime is arguably the single most load-bearing concept in AP Comp Gov. It anchors Topic 1.2 (Defining Political Institutions) and learning objective AP Comp Gov 1.2.A, which asks you to describe the differences between regimes, states, nations, and governments. But it doesn't stay in Unit 1. Regime type is the lens the CED uses for almost everything else. How citizens participate (3.5), whether civil society can operate freely (3.1), whether civil liberties are protected (3.7), whether elections are genuinely competitive (4.1), and whether a state runs on rule of law or rule by law (3.4) all depend on regime type. If you can classify a regime and explain what that classification predicts, you have a tool that works on nearly every FRQ.

How Regime connects across the course

State, Nation, and Government (Unit 1)

These four terms form one ladder. The state is the political organization with territory and sovereignty, the nation is the group of people with shared identity, the regime is the rules of power, and the government is the current set of officeholders. A coup can change the regime while the state stays intact, and an election can change the government while the regime stays intact.

Legitimacy and Political Stability (Unit 1)

Regimes survive by maintaining legitimacy. Topics 1.9 and 1.10 cover how factors like policy effectiveness, tradition, charismatic leadership, and peaceful transfers of power keep a regime stable, while corruption and reduced electoral competition undermine it. A regime losing legitimacy is a regime at risk of change.

Civil Society Organizations (Unit 3)

The strength of civil society is a direct readout of regime type. Democratic regimes generally let NGOs, media, and voluntary associations operate autonomously, while authoritarian regimes restrict them through registration and monitoring policies. A robust civil society acts as an agent of democratization, which is exactly why authoritarian regimes squeeze it.

Electoral Systems and Rules (Unit 4)

Topic 4.1 makes the regime concept concrete. In some regimes electoral rules allow genuinely competitive selection of representatives, while in others the rules get changed to advance whoever holds power. Iran's Guardian Council vetting Majles candidates is a classic example of regime-level rules shaping who can even compete.

Is Regime on the AP Comparative Government exam?

Multiple-choice questions love testing whether you can separate regime from state, nation, and government. Expect stems like 'Which transformation would represent a change in regime but not a change in state?' (answer logic: the territory and sovereignty stay put, but the rules of power change) or questions asking what distinguishes democratic regimes from authoritarian ones in how power is exercised. On FRQs, regime type shows up as a comparison frame. Released questions like the 2017 Conceptual Analysis on media in political systems expect you to explain how different regime types treat the same institution differently. The move you have to make is always the same. Classify the regime (democratic, authoritarian, or hybrid), then explain what that classification means for participation, liberties, elections, or civil society in a specific course country.

Regime vs Government

A government is the set of people currently exercising power. A regime is the set of rules they operate under. When the UK elects a new prime minister, the government changes but the regime (parliamentary democracy) stays the same. The regime changes only when the rules of power change, like Russia's shift from Soviet communism to its current system. Quick test: did the rulebook change, or just the players?

Key things to remember about Regime

  • A regime is the fundamental set of rules, institutions, and norms that controls access to and exercise of political power, and it typically endures from government to government.

  • Regimes change when the rules of power change, governments change when the people in power change, and states change only when sovereignty or territory changes.

  • Regimes are classified as democratic or authoritarian based on how they set the rules for competition, participation, and limits on power, with hybrid regimes falling in between.

  • Democratic regimes tend toward rule of law, where the state is bound by the same rules as citizens, while authoritarian regimes tend toward rule by law, where law is a tool to reinforce state authority.

  • Regime type predicts almost everything else in the course, including how free civil society is, how protected civil liberties are, and whether elections are genuinely competitive.

  • All six AP course countries are useful regime examples, ranging from democratic (UK) to authoritarian (China) with contested middle cases like Russia and Iran.

Frequently asked questions about Regime

What is a regime in AP Comparative Government?

A regime is the fundamental set of rules, institutions, and norms that determines who can gain political power and how they can use it. It includes formal structures like constitutions plus informal norms, and it persists even as individual leaders come and go.

What's the difference between a regime and a government?

The government is the current set of officeholders, while the regime is the rules they operate under. A UK election produces a new government but the same regime; the Soviet collapse in 1991 produced a new regime in Russia because the rules of power themselves changed.

Is a regime the same thing as a state?

No. A state is the political organization combining a permanent population, governing institutions, defined territory, and international recognition. The regime is just the power rules inside it. Mexico's regime changed when the PRI lost its grip on power, but Mexico remained the same state throughout.

Does 'regime' always mean a dictatorship?

No, and this is a common trap. In everyday news language 'regime' sounds negative, but in AP Comp Gov every country has a regime. The UK has a democratic regime, China has an authoritarian regime, and both are regimes in the CED's sense of the word.

What is an example of a regime change without a state change?

Mexico's transition from decades of single-party PRI dominance to competitive multiparty democracy by 2000 is the classic course example. The state (Mexico's territory, population, and sovereignty) never changed, but the rules controlling access to power did, which is exactly what a regime change means.