What Is 10-Percent: What Makes A Hero?

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Last updated: April 11, 2026

Quick Answer: "10% - What Makes a Hero?" is a 2013 documentary by director Yoav Shamir that explores what defines heroism through interviews with heroes, scientists, and philosophers worldwide. The film examines how approximately 10% of people are motivated by personal principles to perform heroic acts, investigating the psychological, genetic, and sociological factors that distinguish heroes from ordinary individuals.

Key Facts

Documentary released in 2013 by Israeli filmmaker Yoav Shamir
Approximately 10% of people are driven by personal principles to act heroically
Research shows one in five (20%) people qualify as heroes based on heroism definitions
Film explores heroism across primates, humans, scientists, geneticists, and philosophers
Executive produced by Michael Moore, examining both ordinary and extraordinary heroes

Overview

"10% - What Makes a Hero?" is a 2013 documentary film directed by award-winning Israeli filmmaker Yoav Shamir that presents an entertaining yet provocative exploration of heroism. The film chronicles Shamir's global quest to understand what transforms ordinary individuals into heroes and what psychological, genetic, and social factors compel people to defy societal norms and act on their deepest beliefs.

Executive produced by acclaimed documentarian Michael Moore, this international documentary takes viewers on a journey across the world, interviewing diverse subjects ranging from ordinary heroes to freedom fighters, behavioral scientists to geneticists, and exploring perspectives from famous thinkers like Ayn Rand. The film's central inquiry is simple yet profound: what distinguishes the approximately 10% of people who are motivated by personal principles to perform heroic acts from the rest of society?

How It Works

The documentary employs a multi-faceted approach to understanding heroism, combining interviews, scientific research, historical analysis, and personal investigation. Shamir's methodology breaks down heroism into several key components:

Personal Investigation: Director Yoav Shamir personally travels internationally to interview heroes from different cultures and backgrounds, documenting their motivations and the defining moments that shaped their heroic choices.
Scientific Perspectives: The film incorporates insights from behavioral scientists and geneticists who explain the neurological and genetic foundations of altruistic behavior and moral decision-making in the human brain.
Philosophical Analysis: The documentary examines various philosophical perspectives on heroism, including interviews about perspectives from Ayn Rand's objectivism to Raelian philosophies, showing how different ideological frameworks define heroic action.
Comparative Study: The film explores heroism across species, examining primate behavior and comparing human heroism to other mammals, revealing evolutionary and biological bases for heroic impulses.
Cultural Examination: Through interviews with families of heroes and authorities on heroism, the film reveals how different cultures define, celebrate, and perpetuate hero narratives.

Key Comparisons

Aspect	General Population	Heroic Individuals (10%)
Motivation Source	External rewards, social approval, self-interest	Internal principles, moral conviction, personal values
Response to Risk	Avoid personal danger and sacrifice	Accept risk when aligned with principles
Decision-Making	Influenced by peer pressure and norms	Guided by individual conscience despite social pressure
Behavioral Frequency	Occasional altruistic acts	Consistent heroic behavior pattern
Research Qualification	Approximately 80% of population	One in five (20%) meet complete heroism criteria

Why It Matters

Social Understanding: The documentary reveals that heroism is not exclusively about extraordinary acts but rather about ordinary people making principled choices under pressure, helping society recognize and value diverse forms of heroism in everyday life.
Psychological Insight: By identifying what motivates the heroic 10%, researchers and psychologists gain crucial understanding of human moral development, empathy, and the neurological factors that enable people to overcome self-interest for collective good.
Cultural Progress: Understanding what makes heroes helps societies cultivate heroic values in future generations through education, media representation, and institutional practices that encourage principled action.
Individual Empowerment: The film demonstrates that heroism is not an innate talent limited to exceptional people, but rather a capacity that exists within the general population, suggesting individuals can develop heroic qualities through conscious choice and commitment to principles.

The documentary's exploration answers the fundamental question of what separates those 10% of individuals driven by personal principles from the remaining 90%. By examining heroes across cultures, time periods, and contexts, "10% - What Makes a Hero?" ultimately suggests that heroism emerges from the intersection of personal conviction, moral courage, and willingness to act according to deeply held values regardless of personal cost or social consequence. This insight has profound implications for education, psychology, leadership development, and how societies understand and cultivate the qualities necessary for positive social change.