Religious diversity

In AP Euro, religious diversity refers to the post-1945 shift in Europe's religious makeup as migrant workers from southern Europe, Asia, and Africa (many of them Muslim) settled in western and central Europe, sparking debate and conflict over religion's role in social and political life (KC-4.3.III.C).

Verified for the 2027 AP European History examLast updated June 2026

What is Religious diversity?

Religious diversity is the coexistence of multiple religious traditions within one society. In AP Euro, the term shows up most heavily in Topic 9.11 (Migrations within and to Europe Since 1945). After World War II, the economic boom of the 1950s and 60s pulled migrant workers from southern Europe, Asia, and Africa into western and central Europe. Many came from former colonies or from Turkey, and many were Muslim. That immigration permanently altered Europe's religious makeup.

Here's the part the CED really cares about. This new diversity didn't just change the demographics, it triggered debate and conflict over what role religion should play in social and political life (KC-4.3.III.C). After the 1970s economic downturn, immigrant workers and their families became targets of anti-immigrant agitation and extreme nationalist parties like the French National Front and the Austrian Freedom Party (KC-4.4.III.D). So when AP Euro says "religious diversity," think cause-and-effect, not just coexistence. Immigration caused the diversity, and the diversity caused political and social friction.

Why Religious diversity matters in AP Euro

This term lives in Unit 9: Cold War and Contemporary Europe and directly supports learning objective AP Euro 9.11.A, which asks you to explain the causes and effects of changes to migration within and immigration to Europe since World War II. Religious diversity is one of the headline effects in that chain. Labor shortages and decolonization drove immigration, immigration changed Europe's religious makeup, and that change fueled debates over secularism, integration, and national identity, plus the rise of anti-immigration conservative parties. It also connects to the broader AP Euro theme of how Europeans have defined who belongs in their societies, a thread you can trace all the way back to the Reformation. If you can explain that full causal chain, you've basically got the 9.11 argument the exam wants.

How Religious diversity connects across the course

Migration (Unit 9)

Migration is the engine behind this whole term. No postwar labor migration from southern Europe, Asia, and Africa means no transformation of Europe's religious landscape. On the exam, religious diversity is almost always tested as an effect of migration, so always pair the two.

Secularism (Units 8-9)

Here's the paradox AP Euro loves. Europe became more religiously diverse and less religious at the same time. Muslim immigration rose after 1960 while overall church attendance and religious adherence among native Europeans declined. Being able to hold both trends in one argument is a classic exam move.

French National Front and Austrian Freedom Party (Unit 9)

These are the CED's named examples of the political backlash. After the 1970s economic downturn, anti-immigration conservative parties turned religious and ethnic difference into a campaign issue, targeting migrant workers and their families.

The Protestant Reformation (Unit 2)

Religious diversity didn't start in 1945. The Reformation shattered Catholic unity in the 1500s and forced Europe to fight over religious coexistence for centuries. A continuity argument linking Reformation-era religious conflict to post-1945 debates is exactly the kind of cross-period thinking LEQs reward.

Is Religious diversity on the AP Euro exam?

Multiple-choice questions tend to give you a stimulus about postwar demographic change and ask you to identify the tension behind it. For example, a stem about the 2004 French law banning religious symbols in public schools is really asking you to connect immigration-driven religious diversity to France's tradition of secularism. Other common stems ask how immigration influenced European political parties after 1945 (answer: it fueled anti-immigration parties like the French National Front and Austrian Freedom Party) or how Muslim immigration could rise while overall religious adherence fell. No released FRQ has used this term verbatim in its postwar context, but it's strong evidence for LEQs and DBQs on contemporary Europe, especially causation prompts about migration's effects or continuity prompts comparing post-1945 religious conflict to earlier eras like the Reformation. The skill being tested is causation. Don't just say Europe became diverse, explain what caused it and what conflicts it produced.

Religious diversity vs Secularism

These sound like opposites but they happened simultaneously, and the exam tests whether you can keep them straight. Secularism is the decline of religion's influence in public life and the drop in religious adherence among native Europeans. Religious diversity is the growing variety of faiths, driven mostly by Muslim immigration after 1960. Post-1945 Europe got more secular AND more religiously diverse at once, and the collision between the two (like France's 2004 ban on religious symbols in schools) is where the debate and conflict in KC-4.3.III.C comes from.

Key things to remember about Religious diversity

  • Increased immigration after World War II altered Europe's religious makeup and caused debate and conflict over the role of religion in social and political life (KC-4.3.III.C).

  • The economic boom of the 1950s and 60s drew migrant workers from southern Europe, Asia, and Africa into western and central Europe, and many of these migrants were Muslim.

  • After the economic downturn of the 1970s, migrant workers and their families became targets of anti-immigrant agitation and extreme nationalist parties like the French National Front and the Austrian Freedom Party.

  • Europe became more religiously diverse and more secular at the same time, and the tension between those two trends drove conflicts like France's 2004 ban on religious symbols in public schools.

  • On the exam, treat religious diversity as a link in a causal chain: postwar migration caused demographic change, which caused political and social conflict over religion and national identity.

Frequently asked questions about Religious diversity

What is religious diversity in AP Euro?

It's the post-1945 transformation of Europe's religious makeup caused by immigration from southern Europe, Asia, and Africa, which sparked debate and conflict over religion's role in social and political life. It's tested in Topic 9.11 under learning objective AP Euro 9.11.A.

Did Europe become more religious after 1945 because of immigration?

No, and this is the trap. Europe became more religiously diverse (especially through Muslim immigration after 1960) while overall religious adherence among native Europeans declined. Diversity went up while secularization continued, and that paradox is a favorite MCQ setup.

How is religious diversity different from secularism?

Religious diversity is about the growing variety of faiths in Europe; secularism is about religion's shrinking role in public life and declining adherence. Both trends ran simultaneously after 1945, and their collision produced conflicts like the 2004 French ban on religious symbols in public schools.

Why did religious diversity cause political conflict in Europe?

After the 1970s economic downturn, immigrant workers and their families became targets of anti-immigrant agitation, and extreme nationalist parties like the French National Front and the Austrian Freedom Party built platforms around opposing immigration. Debates over religion's place in public life became central political issues.

Is religious diversity on the AP Euro exam?

Yes. It appears in Topic 9.11 (Migrations within and to Europe Since 1945) through essential knowledge KC-4.3.III.C, and it shows up in multiple-choice stems about postwar demographic change, anti-immigration parties, and laws like France's 2004 religious symbols ban.