Subject: International Relations | Published: 13 November 2025
Realism in ir: national interest, hegemony, and India in a multipolar world (UPSC Deep Dive)
Recommended UPSC Book List
Access the curated list of standard books and resources used by top aspirants for all subjects.
Realism, National Interest & Hegemony: Decoding Global Power Politics for UPSC
In the grand theatre of international relations, are nations driven by lofty ideals of universal morality, or by a cold, hard calculus of power and survival? The Realism school of thought argues emphatically for the latter. For a UPSC aspirant navigating the complexities of GS Paper 2 and PSIR Optional, understanding Realism isn’t just academic—it’s the key to decoding everything from the war in Ukraine to India’s delicate diplomatic balancing act.
Imagine the world as a giant chessboard with no referee. Each player (a state) is fundamentally on their own (anarchy), constantly wary of others, and every move is calculated to improve their position and ensure they aren’t checkmated. This, in essence, is the Realist worldview. It is a pragmatic, and some might say pessimistic, lens that sees international politics as an unending struggle for power among self-interested states.
The North Star of Statecraft: National Interest
What guides a state’s moves on this global chessboard? For Realists, the answer is the National Interest. Pioneering thinker Hans J. Morgenthau, in his seminal work ‘Politics Among Nations’, defined this concept as the pursuit of power to ensure the state’s survival.
He argued that the minimum requirement for any nation is to protect its physical, political, and cultural identity against encroachment by others. Everything else—alliances, treaties, wars, and even foreign aid—is a tool to achieve this core objective. Ideology and morality, from this perspective, are often just justifications for actions already decided upon based on interest.
Analogy: The Corporate CEO. Think of a state leader as the CEO of ‘India Inc.’ The CEO’s primary duty is to the shareholders (the nation) and the company’s survival. They might engage in corporate social responsibility (moral ideals), but their core decisions—mergers, acquisitions, competitive strategies—are driven by the ruthless logic of market position, profit, and survival. Morality is a luxury; survival is a necessity.
However, the concept is not without its critics. Who truly defines the ‘national’ interest? Is it the collective will of the people, or the strategic goals of the ruling elite? History is replete with examples, from Napoleon to Hitler, where catastrophic policies were justified in the name of the nation’s interest.
Orchestrating Order in Chaos: Hegemonic Stability Theory
If the world is anarchic and every state is out for itself, how is any form of international order or cooperation possible? Neo-realists answer this with the Hegemonic Stability Theory (HST).
First advanced by scholars like Charles Kindleberger, HST posits that the international system is most stable when a single, overwhelmingly powerful state—a hegemon—dominates and uses its power to establish and enforce the rules of the game. This hegemon provides global public goods, such as maritime security, a stable international currency, and open markets, which benefit all states.
The classic example is the post-World War II era, where the United States, as the undisputed hegemon, created the Bretton Woods System. Institutions like the International Monetary Fund (IMF), World Bank, and the General Agreement on Tariffs and Trade (GATT) established a liberal economic order that, while serving American interests, also fueled unprecedented global economic growth.
Fun Fact: At the end of World War II, the United States held about two-thirds of the world’s gold reserves and its economy was as large as the rest of the world’s combined, giving it the unparalleled capacity to act as the global hegemon.
The Paradigm Shift: A Multipolar World Order Emerges
The unipolar moment of US dominance is now facing its most significant challenge. The global power dynamic has been fundamentally altered in the last two decades. The key developments are:
- The Rise of China: Economically and militarily, China is the most significant challenger to US primacy. Through initiatives like the Belt and Road Initiative (BRI) and the creation of institutions like the Asian Infrastructure Investment Bank (AIIB), China is building an alternative economic architecture, directly contesting the US-led order.
- Russia’s Resurgence: The 2022 invasion of Ukraine is a stark, real-world application of Realist principles. From Moscow’s perspective, NATO’s eastward expansion was a direct threat to its national security and sphere of influence, prompting a violent reassertion of its perceived interests.
- The Ascent of Middle Powers: A defining feature of the international landscape in 2024-2025 is the rise of influential ‘swing states’ like India, Brazil, Turkey, and Saudi Arabia. These nations are increasingly pursuing independent foreign policies, refusing to align with either the US or China and instead creating issue-based coalitions that serve their specific national interests.
This shift from a unipolar to a multipolar world order is a central theme of contemporary international relations. For Realists, this transition is fraught with danger, as HST would predict that a decline in hegemonic power could lead to greater instability and conflict.
| School of Realism | Core Belief | Primary Cause of Conflict | Key Thinkers |
|---|---|---|---|
| Classical Realism | Politics is driven by an unchanging human nature that is egoistic and power-seeking. | Human Nature (Animus Dominandi) | Thucydides, Machiavelli, Morgenthau |
| Neo-realism (Structural) | State behavior is determined by the anarchic structure of the international system, not human nature. | The International System (Anarchy) | Kenneth Waltz, John Mearsheimer |
Mnemonic for Morgenthau’s Six Principles of Realism: To remember the core tenets laid out by Hans Morgenthau, use the acronym O-P-D-M-N-A.
- Objective Laws (Politics is governed by objective laws based on human nature).
- Power (National Interest is defined in terms of power).
- Dynamic Interest (The meaning of interest as power is not fixed).
- Morals (Abstract moral principles cannot be applied to state actions).
- National Morals ≠ Universal Morals (A nation’s moral aspirations are not universal laws).
- Autonomy of the Political Sphere (The political sphere is distinct and autonomous).
Remember the phrase: “Objective Powers Dynamically Mock National Autonomy.”
Critical Policy Appraisal
| Challenges/Criticisms of a Realist Foreign Policy | Opportunities/Successes/Way Forward |
|---|---|
| Can justify aggressive or immoral actions in the name of ‘national interest’. | Provides a clear, pragmatic framework for safeguarding national security in a competitive world. |
| Overlooks the role of non-state actors, international law, and human rights. | Encourages self-reliance and the development of national capabilities (e.g., Atmanirbhar Bharat). |
| Its pessimistic view can become a self-fulfilling prophecy, leading to arms races and conflict. | Allows for flexible, issue-based coalitions (‘multi-alignment’) that maximize strategic benefits. |
| Fails to adequately explain international cooperation and the rise of institutions like the EU. | Offers a powerful explanation for the behavior of great powers like China and Russia in the current geopolitical climate. |
Analytical Lens: UPSC Focus (Mains & Prelims)
Conceptual Basis: The theoretical foundation of Realism is built upon the works of classical political philosophers like Thucydides (History of the Peloponnesian War), Machiavelli (The Prince), and Thomas Hobbes (Leviathan). In the 20th century, it was systemized by Hans J. Morgenthau (Politics Among Nations) and later refined into neo-realism by Kenneth Waltz (Theory of International Politics).
UPSC Integration: Connecting the Dots
- Polity & Governance (GS Paper 2): Realism explains the fundamental rationale behind India’s foreign policy formulation, the primacy given to national security in decision-making, and the functioning of the defense and external affairs ministries.
- Indian Economy (GS Paper 3): Concepts like protectionism, trade wars, and the pursuit of energy security are Realist economic policies. The motivation behind building institutions like the NDB (BRICS Bank) can be seen as an attempt to create alternatives to the Western-dominated financial architecture.
- Modern Indian History (GS Paper 1): The decision-making during the 1971 war, the pursuit of nuclear weapons, and the initial policy of Non-Alignment can all be analyzed through a Realist lens as attempts by a newly independent state to maximize its security and strategic space in a bipolar world.
Future Impact & Policy Relevance: The transition to a multipolar world is the single most important geopolitical trend. For India, this means the era of clear-cut alliances is over. The policy of strategic autonomy, as championed by External Affairs Minister Dr. S. Jaishankar, is a quintessential Realist strategy for the 21st century. It involves engaging with multiple, often competing, powers (like being a member of both the Quad and the SCO) to ensure India’s national interests are protected and promoted. This flexible, interest-driven diplomacy will be crucial for navigating the escalating US-China rivalry and securing India’s rise as a leading power.
UPSC Prelims Practice Question (MCQ):
Which of the following is the core assertion of the Hegemonic Stability Theory?
a) The international system is most stable when power is distributed equally among multiple great powers. b) International institutions, not states, are the primary guarantors of global peace and security. c) The international system is more likely to be stable when a single dominant state establishes and enforces rules. d) Economic interdependence between states is sufficient to prevent major international conflicts.
Answer and Explanation: Correct Answer: (c). The Hegemonic Stability Theory explicitly argues that an open and stable international order is more likely when a single powerful state (a hegemon) has the capacity and will to provide global public goods and enforce the rules of the system. Option (a) describes a multipolar balance of power theory, while (b) and (d) represent tenets of Liberalism/Idealism.
UPSC Mains Sample Question (15 Marks):
“The resurgence of great power rivalry and the shift towards a multipolar international order validate the core tenets of Realism.” In light of this statement, analyze India’s policy of ‘strategic autonomy’ as a pragmatic response to contemporary geopolitical challenges.
Mind Map Outline (Revision Structure)
- Realism in International Relations
- Core Assumptions
- State-Centrism: The State as the primary actor.
- Anarchy: Absence of a central world authority.
- Self-Help: States must rely on themselves for security.
- Survival: The ultimate goal of every state.
- Key Concepts
- National Interest
- Defined by Hans Morgenthau: Interest as Power.
- Core Components: Physical, Political, Cultural Survival.
- Criticisms: Ambiguity, elite-driven definition.
- Hegemonic Stability Theory (HST)
- Premise: A hegemon is needed for global stability.
- Function: Provides global public goods.
- Historical Example: US-led Bretton Woods System (IMF, WB, GATT).
- National Interest
- Schools of Thought
- Classical Realism
- Causation: Human Nature (Animus Dominandi).
- Key Thinkers: Morgenthau, Thucydides.
- Neo-realism / Structural Realism
- Causation: The Anarchic International System.
- Key Thinkers: Kenneth Waltz, John Mearsheimer.
- Classical Realism
- Contemporary Relevance (Post-2022 Scenario)
- Decline of Unipolarity
- Rise of China: BRI, AIIB as challenges.
- Resurgence of Russia: 2022 Ukraine Invasion as a Realist case study.
- Emergence of a Multipolar World
- Role of Middle Powers: India, Brazil, Turkey.
- India’s Foreign Policy: Strategic Autonomy & Multi-alignment.
- Decline of Unipolarity
- Core Assumptions