The Relevance of Post-colonial Theory in International Relations

International Relations as a discipline has long been dominated by theories like realism and liberalism, which centre power, economics, and the calculations of states. Yet these mainstream frameworks often treat the world as if it began on a level playing field, ignoring the centuries of conquest, extraction, and cultural domination that shaped the modern state system. Post-colonial theory steps into this gap. It asks an uncomfortable but essential question: what happens to our understanding of global politics when we take colonialism seriously as a force that still structures the present? For a country like India, which gained independence in 1947 yet continues to navigate the inheritances of empire, this perspective is not merely academic. It speaks directly to how former colonies experience the contemporary international order.

What is post-colonial theory? 🔗

Post-colonial theory is an intellectual framework that examines the cultural, political, and psychological legacies of colonialism and imperialism. Rather than viewing colonialism as a closed historical chapter, it argues that colonial power structures continue to shape relationships between former colonisers and the societies they once ruled. The approach emerged largely from literary and cultural criticism in the 1970s and 1980s before scholars carried its insights into the study of world politics.

What makes the theory distinctive within IR is its insistence that history matters in a very specific way. Where realists might explain the gap between rich and poor nations through differences in power or resources, post-colonial theorists trace these inequalities back to the violent processes of conquest and economic exploitation that built the modern world. The discipline of International Relations, they argue, was itself born in a colonial era and quietly absorbed many of its assumptions.

A critique of Eurocentrism 🔗

One of the central charges post-colonial scholars level at mainstream IR is that it is deeply Eurocentric. Theories like realism and liberalism tend to take the experiences and interests of Western states as the default or universal, treating European history as the standard against which all other societies are measured. The categories that IR scholars often treat as neutral and timeless, such as the sovereign state, anarchy, and the balance of power, actually emerged in the specific context of European expansion.

By centring non-Western and marginalised perspectives, post-colonial theory tries to “decolonise” the discipline. It opens space for the idea that concepts like sovereignty, security, and development might be understood differently across cultural contexts. Indigenous notions of sovereignty, for example, may emphasise relationships with land and community rather than abstract control over territory.

The thinkers who shaped the field 🔗

Post-colonial theory did not emerge from a single text or author. It grew out of the work of several thinkers who, from different angles, exposed how colonialism operated not just through armies and administrators but through ideas, language, and the human mind itself.

Edward Said and the power of representation 🔗

The Palestinian-American scholar Edward Said is widely regarded as a founder of the field. His 1978 book Orientalism argued that Western representations of the “Orient” were rooted in power dynamics and served to justify imperial domination. Said showed how Western scholarship, literature, and journalism constructed the East as irrational, backward, and exotic, the binary opposite of a rational and progressive West.

This process of “othering” was not innocent description. It was a way of producing knowledge that legitimised control. For IR, Said’s insight is powerful: the discourses we use to describe other nations are never neutral. When the developing world is framed as chaotic, corrupt, or in need of guidance, those descriptions can shape policy and justify intervention.

Frantz Fanon and the psychology of colonisation 🔗

Frantz Fanon, a psychiatrist born in Martinique who became deeply involved in the Algerian independence struggle, approached colonialism from a different direction. Where Said focused on cultural narratives, Fanon emphasised the psychological and political dimensions of domination. In works like Black Skin, White Masks, he explored how colonised peoples internalised a sense of inferiority imposed by their rulers.

Fanon’s contribution helps explain something traditional IR struggles to capture: the lingering socio-cultural and psychological dependencies that survive long after a colony becomes independent. Political freedom on paper does not automatically dissolve the mental habits, cultural hierarchies, and self-perceptions that decades of foreign rule instilled. This is why decolonisation, in Fanon’s view, had to be both physical and psychological.

Gayatri Spivak and the silenced subaltern 🔗

The Indian scholar Gayatri Chakravorty Spivak posed one of the most influential questions in the field with her essay “Can the Subaltern Speak?” She asked whether those who inhabit the periphery can ever truly be heard when the terms of global discourse are set by dominant powers. The “subaltern” refers to groups excluded from the structures of power, such as the rural poor, women, and indigenous communities.

Spivak’s work connects to the broader Subaltern Studies project, a collective of historians of South Asia who set out to “write history from below.” This group, including scholars like Ranajit Guha, Partha Chatterjee, and Dipesh Chakrabarty, developed methods to recover the experiences of marginalised groups that mainstream historical accounts had ignored. Their work, rooted in the South Asian experience, has since influenced post-colonial scholarship worldwide. For students of IR, it offers a way to think about whose voices count in international forums and whose remain unheard.

Rethinking sovereignty 🔗

Perhaps the most pointed contribution of post-colonial theory to IR is its critique of sovereignty. In traditional theory, sovereignty is the bedrock concept: each state is supposedly an equal, independent actor with supreme authority over its territory. Post-colonial scholars complicate this comfortable picture.

They point out that the concept of sovereignty, along with the very form of the modern state, was imposed on the colonial world by European powers. Borders were drawn by colonial administrators, often with little regard for the communities they divided. When colonies became independent, they inherited state structures designed for extraction and control rather than for the welfare of their own populations.

This is why post-colonial theory questions the notion of absolute sovereignty. On paper, a former colony enjoys the same legal status as its former ruler. In practice, the equality is often formal rather than real. Economic dependence, unequal trade relationships, and reliance on Western-dominated institutions mean that newly independent states frequently lack the full autonomy that sovereignty is supposed to guarantee. The flag changes, but the deeper structures of dependency can persist.

Neo-colonialism and persistent inequality 🔗

If formal colonialism has ended, how do these inequalities survive? Post-colonial theory offers the concept of neo-colonialism to answer this. The term was famously developed by Kwame Nkrumah, Ghana’s first president, to describe how economic control has replaced direct political rule while maintaining many of the same hierarchies.

The mechanisms are not hard to identify. Many former colonies remain locked into economic relationships that echo the colonial era, exporting raw materials and cheap labour while importing finished goods and technology from wealthier nations. International financial institutions such as the World Bank and the International Monetary Fund, in which Western powers hold disproportionate influence, have at times attached conditions to loans that critics argue prioritise creditor interests over local development needs.

Edward Said himself argued that Orientalism outlived formal colonialism and continued to flourish, with the United States stepping into a role once held by Britain and France. Knowledge and expertise about formerly colonised regions, in this reading, can become instruments of continued influence. Post-colonial theory thus links the cultural critique of representation to the material reality of ongoing economic dependence.

Why this matters for the Global South today 🔗

The relevance of post-colonial theory becomes clearest when we look at contemporary debates. Discussions about reforming the United Nations Security Council, where former colonial powers retain permanent seats and veto power, are debates about whose voice carries weight in global governance. Negotiations over climate finance, where developing nations argue that industrialised countries built their wealth through historical emissions, are shaped by the logic of historical responsibility that post-colonial theory illuminates.

For India and other nations of the Global South, the theory provides vocabulary for experiences that mainstream IR often overlooks. It explains why political independence did not automatically translate into economic parity, why cultural confidence had to be actively rebuilt, and why the international system can feel tilted in favour of those who designed it. The Subaltern Studies project, born from Indian historiography, is itself proof that scholars from former colonies have generated theory of global significance rather than simply receiving frameworks from the West.

The limits and criticisms 🔗

Post-colonial theory is not without its critics. Some argue that it focuses heavily on culture, discourse, and identity at the expense of concrete material analysis, making it harder to translate into specific policy. Others note that by emphasising the lasting power of colonial structures, it can risk portraying former colonies as perpetual victims with little agency of their own. There are also internal debates, such as Spivak’s own critique that the Subaltern Studies collective did not pay enough attention to gender.

These criticisms do not invalidate the approach. Rather, they show that it is a living field of inquiry, constantly refining itself. Used alongside other theories, post-colonial analysis adds a dimension that realism and liberalism simply cannot supply: a sustained attention to how the past lives on in the present.

A richer view of world politics 🔗

Post-colonial theory does more than critique. It works to recover and legitimise non-Western knowledge systems and ways of understanding the world. By doing so, it pushes International Relations towards becoming a genuinely global discipline rather than one that speaks only from a Western vantage point. It reminds us that the international order we study today was not built in a vacuum but inherited from a history of empire whose effects have not yet been fully undone.

For students approaching IR, this perspective offers an invaluable corrective. It encourages a habit of asking who benefits from the way the world is currently arranged, whose stories have been told and whose silenced, and whether the categories we take for granted are as neutral as they appear. These questions sit at the heart of understanding global inequality in the twenty-first century.

What do you think? Has the international system genuinely moved beyond its colonial origins, or do you see colonial patterns persisting in today’s global politics? And if frameworks like sovereignty and development were shaped by European history, what might more inclusive alternatives look like for the Global South?

References

1. https://www.e-ir.info/2017/12/08/postcolonialism-in-international-relations-theory/
2. https://fiveable.me/theories-of-international-relations/unit-6/postcolonial-theory/study-guide/WKrXBDvo6QfJZGJ2
3. https://dezayasalfred.wordpress.com/2025/10/27/post-colonialism-in-international-relations-examining-the-legacy-of-colonialism-in-global-politics/
4. https://www.eurasiareview.com/21112024-edward-said-and-frantz-fanon-pioneers-of-postcolonial-thought-and-their-intellectual-legacy-analysis/
5. https://www.modernghana.com/news/1358728/edward-said-and-frantz-fanon-pioneers-of-postcolo.html
6. https://cup.columbia.edu/book/can-the-subaltern-speak/9780231143851/
7. https://methods.sagepub.com/ency/edvol/download/encyclopedia-of-action-research/chpt/subaltern-studies.pdf
8. https://wkelly1-19385.medium.com/edward-saids-postcolonial-theory-c12cd0a4822c