How Colonialism Created and Reinforced Global Racial Hierarchies

Colonialism wasn't just about land and resources; it fundamentally shaped how race is understood and ranked worldwide, impacting power, status, and opportunity for centuries.

By Garret Merkley · Explainer · Jun 18, 2026

Branched from The History of Scientific Racism and Its Lasting Impact

Quick take

Colonialism used the concept of race to justify its domination and exploitation of non-European peoples.
It established a global hierarchy with European 'whiteness' at the top and colonized populations at the bottom.
These racial hierarchies were enforced through laws, economic systems, 'scientific' theories, and cultural narratives.
Their legacy continues to influence global social, economic, and political inequalities today.

The impact of colonialism on global racial hierarchies is the historical process by which European powers invaded, occupied, and exploited non-European lands and peoples, systematically creating and embedding a worldwide system where certain racial groups (primarily white Europeans) were positioned as superior, and others (primarily Black, Indigenous, and Asian peoples) as inferior. This was not an incidental outcome but a core mechanism of colonial control and resource extraction.

The Invention of Race as a Tool of Control

Before the colonial era, societies had various forms of social stratification. However, "race" as a fixed, biological category linked to inherent superiority or inferiority, particularly based on visible traits like skin color, was largely a colonial invention. European colonizers needed a powerful justification for their conquest, enslavement, and exploitation of non-European peoples. They developed elaborate racial classifications to differentiate themselves from the colonized, asserting their own "whiteness" as a marker of civilization, intelligence, and moral fitness to rule, thereby legitimizing their actions.

Imposing a Global Hierarchy

This racial ideology wasn't just theoretical; it was systematically implemented across vast empires. Europeans were placed at the apex of a global hierarchy, followed by various degrees of "mixed-race" individuals, and at the bottom, Indigenous populations and enslaved Africans. This imposed order determined access to land, labor, political power, legal rights, and social status. Laws were enacted, social structures built, and economic systems designed to maintain this rigid order, ensuring European dominance and the subjugation of others for centuries.

Scientific Racism and Cultural Reinforcement

To solidify these hierarchies, colonial powers actively funded and promoted "scientific" theories (such as phrenology, craniometry, and eugenics) that falsely claimed to prove racial differences in intelligence, morality, and physical capability. Education systems, religious institutions, and popular culture (art, literature, propaganda) then disseminated these ideas widely. This created a powerful ideological framework that normalized and naturalized racial inequality, making the exploitation and oppression appear not just acceptable, but divinely ordained or scientifically proven.

The racial hierarchies established during colonialism are not merely historical footnotes; they are foundational to many of the social, economic, and political inequalities we see globally today. They shape patterns of wealth distribution, access to education and healthcare, political representation, and even how people are treated within justice systems. Understanding this enduring legacy is crucial for addressing systemic racism, promoting equity, and dismantling structures that continue to disadvantage historically marginalized groups worldwide.

Was race always understood this way?

No. While ancient societies had forms of prejudice, the concept of "race" as a fixed, biological hierarchy linked to inherent superiority or inferiority, particularly based on skin color and ancestry, largely emerged and solidified during the colonial era to justify exploitation and control.

Does colonialism still affect racial inequality today?

Absolutely. The economic, political, and social systems designed during colonialism to privilege certain groups and disadvantage others continue to exert influence. This includes global wealth gaps, unequal access to resources, and persistent stereotypes that shape opportunities and experiences.

How did "scientific racism" play a role?

"Scientific racism" provided a false intellectual justification for colonial racial hierarchies. Researchers claimed to find biological evidence for racial differences in intelligence or character, reinforcing the idea that Europeans were naturally superior and thus justified in ruling and exploiting others.

What is "decolonization" in this context?

Decolonization refers not just to political independence, but also to the ongoing process of dismantling the enduring social, cultural, economic, and psychological legacies of colonialism, including its racial hierarchies and the ways of thinking it instilled.