The Psychology of Extremism: Fear, Belonging and Authoritarianism

By Huw Edwards

Political extremism is often discussed in terms of elections, parties and policies. Less attention is paid to the psychological forces that can draw people towards movements built on division, fear and hostility. Yet a substantial body of research suggests that emotions, identity and perceived threats can be powerful influences on political behaviour.

Understanding these dynamics is not an attempt to excuse extremism. Rather, it is an effort to understand how fear, resentment and authoritarian thinking can become politically influential, particularly during periods of uncertainty and social change.

Fear as a Political Drug

Fear is one of humanity’s oldest survival mechanisms. It evolved to protect us from danger, prompting rapid responses to genuine threats. However, psychologists have long observed that fear can also influence political attitudes and behaviour.

Research highlighted by the American Psychological Association has shown that fear can be a powerful political motivator, increasing support for strong leaders, security measures and more restrictive policies when people perceive threats to their safety, identity or way of life.

Far-right movements frequently centre political messaging around danger and decline. Immigrants, minorities, political opponents, international organisations and cultural change are often presented not simply as challenges but as existential threats.

When people are repeatedly exposed to narratives of crisis and threat, they may begin to interpret events through a lens of permanent insecurity. Complex social problems become simplified into emotionally compelling stories involving victims, heroes and enemies.

Fear offers something many people crave during uncertain times: certainty.

The Human Need to Belong

Psychological research suggests that human beings possess a deep need for social identity and belonging.

Social Identity Theory, developed by Henri Tajfel and John Turner, demonstrated that people naturally divide the world into groups, forming emotional attachments to their own communities while distinguishing themselves from outsiders.

This tendency is not inherently harmful. It is part of normal human psychology.

The danger emerges when political movements define belonging through exclusion. Loyalty to one’s group becomes dependent upon hostility towards another group. Political identity becomes less about what people support and more about whom they oppose.

Many extremist movements are remarkably successful not because they persuade people to hate immediately, but because they first provide meaning, purpose and community. The hatred often arrives later, justified as loyalty or defence of the group.

The Appeal of Simple Answers

Modern societies are extraordinarily complex.

Economic inequality, housing pressures, globalisation, technological disruption and cultural change all generate genuine anxieties. Democratic politics frequently struggles to provide quick solutions.

Extremist ideologies exploit this complexity by offering simple explanations.

If there is a social problem, identify a scapegoat.

If there is uncertainty, seek a strong leader.

If institutions appear ineffective, portray democratic checks and balances as obstacles.

Such narratives are psychologically appealing because they reduce ambiguity. They transform complicated issues into emotionally satisfying stories with clear villains and easy solutions.

Reality, however, is rarely so simple.

Authoritarianism and the Desire for Order

One of the most influential areas of research into extremism concerns authoritarian attitudes.

Political psychologist Robert Altemeyer developed the concept of Right-Wing Authoritarianism (RWA), describing a cluster of attitudes characterised by strong deference to authority, aggression towards approved targets and a preference for social conformity.

Research into authoritarianism suggests that some individuals become particularly attracted to rigid hierarchies and strong leadership during periods of uncertainty or perceived social threat.

This does not mean everyone holding conservative views is authoritarian. Nor does it imply all right-wing movements are extremist.

However, history demonstrates that movements emphasising unquestioning obedience, strongman leadership and hostility towards dissent can become fertile ground for anti-democratic thinking.

When citizens are encouraged to place loyalty to leaders above loyalty to democratic principles, institutions such as courts, independent media and civil society organisations can begin to be seen as enemies rather than safeguards.

How Violence Becomes Acceptable

Most people do not begin their political journey by embracing violence.

Acceptance of violence usually develops gradually through a process of moral disengagement and dehumanisation.

Researchers studying radicalisation have found recurring patterns across a wide range of extremist ideologies. Opponents are first portrayed as dangerous. They are then framed as threats to society. Eventually they are depicted as fundamentally undeserving of empathy, rights or protection.

At that stage, actions previously regarded as unacceptable may be reinterpreted as necessary acts of defence.

This process has appeared repeatedly throughout history, from fascist movements in Europe to ethnonationalist conflicts and contemporary extremist networks.

Violence rarely begins with violence. It often begins with language that strips away the humanity of others.

The Internet and the Amplification of Extremism

Modern technology has accelerated these psychological processes.

Researchers examining polarisation and radicalisation have found that online environments can intensify feelings of grievance, anger and group identity. Social media platforms often reward emotionally charged content because outrage generates engagement.

As a result, conspiracy theories, fear-based narratives and inflammatory content frequently travel further than nuanced discussion.

Individuals who repeatedly consume such material can become immersed in information ecosystems where extreme beliefs seem mainstream and hostility towards opponents appears normal.

The process is not unique to the far right, but contemporary far-right movements have often proven particularly effective at exploiting these dynamics through narratives focused on loss, decline and threat.

Why Democracy Requires Courage

The opposite of extremism is not weakness.

It is democratic courage.

Democracy requires people to tolerate uncertainty, coexist with disagreement and recognise the humanity of those with whom they profoundly disagree.

Fear offers certainty.

Hatred offers a target.

Authoritarianism offers simple answers.

Democracy offers responsibility.

The challenge facing modern societies is therefore not simply defeating extremist political movements. It is creating social conditions that reduce alienation, strengthen communities and provide citizens with a sense of belonging that does not depend upon fear or hostility towards others.

Final Thoughts

The psychology of extremism reminds us that the temptations of tribalism, fear and resentment are not confined to any single political tradition. They are recurring features of human history.

Research into authoritarianism, social identity and radicalisation suggests that under the right conditions many societies can become vulnerable to political movements that promise certainty, strength and simple answers.

The lesson is not that some people are uniquely flawed while others are immune. Rather, it is that democratic values require constant maintenance.

When fear becomes an identity, hatred can become habitual.

When hatred becomes normalised, violence becomes easier to justify.

The defence of democracy therefore begins not merely in parliaments and courts, but in everyday acts of empathy, critical thinking and respect for the dignity of others.

Sources

  • American Psychological Association Dictionary: Right-Wing Authoritarianism

https://dictionary.apa.org/right-wing-authoritarianism

  • American Psychological Association: Fear as a Political Motivator

https://www.apa.org/news/apa/2020/fear-motivator-elections

  • Encyclopaedia Britannica: Social Identity Theory

https://www.britannica.com/topic/social-identity-theory

  • Tajfel, H. & Turner, J. C. – Social Identity Theory
  • Smith & Thomas (2025) – A Primer on Politicization, Polarization, Radicalization and Activation

https://pmc.ncbi.nlm.nih.gov/articles/PMC12076042

  • Brookings Institution: Hate Speech and Political Violence

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