India’s Rise as the World’s Fourth-Largest Economy: Why, How, and Implications for the World Economy

In a historic development, India has surpassed Japan to become the world’s fourth-largest economy in 2025, having a nominal GDP of $4.187 trillion, narrowly ahead of Japan’s $4.186 trillion, according to the International Monetary Fund’s (IMF) April 2025 World Economic Outlook. This achievement is a quantum leap from India’s 10th position in 2014 and underscores its remarkable economic ascendance in the past decade. With it set to expand at a pace of over 6% for the next couple of years, India is not just the fastest-growing major economy but also a rising power that is reshaping the world economic order.

This piece analyzes why India achieved this milestone, how it overtook Japan, and what this shift means for the world economy, with observations on the broader implications for trade, investment, and geopolitical relations.

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Why India Overtook Japan

India’s rise as the fourth-largest economy is a result of a combination of structural reforms, demographic dividend, and global economic forces. Several key drivers have caused this shift:

Robust Economic Growth

India has maintained an impressive growth trajectory, with real GDP growth projected at 6.2% in 2025 and 6.3% in 2026, according to the IMF. This is significantly higher than Japan’s forecasted 0.6% growth for both years. India’s consistent growth, averaging around 7–8% annually over the past decade, has been fueled by strong domestic consumption, particularly in rural areas, and a burgeoning middle class.

On the other hand, Japan’s economy has been mired in stagnation, afflicted by problems like an aging workforce and declining population which have limited its growth opportunities.

Structural Reforms and Policy Initiatives

India has unveiled sweeping reforms since 2014 to enhance economic efficiency and investment appeal. Policy reforms like the Goods and Services Tax (GST), the Make in India policy, and the development of digital infrastructure have simplified business operations and enhanced India’s global competitiveness.

The country’s focus on digital transactions, accounting for 46% of the world’s digital payments, has also intensified its economic ecosystem. In addition, India’s rupee-based trade agreements with 27 countries, instead of the dollar, have raised its financial autonomy.

Demographic Dividend

India’s young and growing population—the world’s largest now—presents a big plus over Japan, which is confronted by an aging workforce and falling birth rates. India’s median age is around 28, compared to Japan’s 48, making possible a bigger, dynamic workforce. This demographic edge makes higher productivity and consumption, both engines of GDP growth, easier.

Weak Yen and Trade Dynamics

The weakening of the Japanese yen, which has lost 40% of its value relative to the euro over the past 12 years, has accelerated India’s catch-up. The IMF finds that the dollar-denominated nominal GDP of Japan has been impacted by the weakness in its currency, shrinking the size of its economy from nearly $6 trillion in 2010 to $4.186 trillion in 2025. In comparison, India’s GDP in U.S. dollars has benefited from favorable exchange rate dynamics.

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How India Arrived at This Benchmark

The emergence of India as the fourth-largest economy is a story of planning, resilience, and taking advantage of global opportunities. The factors below outline how India arrived at this point:

Investment in Infrastructure and Technology

The Indian government has emphasized the building of infrastructure, with massive investments in railways, roads, and digital connectivity. The services sector, which includes IT, finance, and telecommunications, is a significant driver of GDP, with companies like Tata Consultancy Services and Infosys at the forefront of global tech innovation.

The rapid adoption of digital technologies, for example, the Unified Payments Interface (UPI), has placed India at the forefront of digital transactions, which has boosted economic efficiency.

Manufacturing and Export Growth

The Make in India initiative, launched in 2014, has fostered manufacturing via foreign direct investment (FDI) and promoting domestic production. India’s manufacturing has grown steadily, with electronics, pharmaceuticals, and textiles exports gaining a larger share in the world market.

That is contrasted with Japan’s export-oriented economy, which has been hard hit by U.S. tariffs and a decelerating world trade.

Resilient Domestic Consumption

India’s growth is predominantly supported by private consumption, particularly in rural India, which accounts for a significant proportion of demand. The expanding middle class, set to increase to 547 million by 2030, has been spending increased amounts on consumer durables, real estate, and services, further stimulating economic growth.

This domestic strength has insulated India from international trade volatility, unlike export-reliant Japan.

Geopolitical and Economic Reforms

India’s economic policies, such as reduced dependence on the American dollar for international trade, have strengthened its economic position. The country’s ability to deal with international trade wars, e.g., the U.S.-China tariff war, has minimized disruptions.

For instance, the U.S. temporarily reduced tariffs on Indian goods to 10% in April 2025, providing a three-month grace period that helped India’s export drive.

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What It Means to the World Economy

India’s ascension to the fourth-largest economy has far-reaching implications for global trade, investment, and geopolitics. The shift is a reordering of economic power, with emerging economies like India overshadowing traditional powerhouses like Japan. The following are the key implications:

Shifting Economic Power to Emerging Markets

India’s rise is also a component of a broader movement of economic power in the direction of developing economies. With a projected GDP of $5.58 trillion by 2028, India is set to overtake Germany as the third-largest economy, only behind the U.S. ($30.51 trillion) and China ($19.23 trillion).

This rebalancing endangers the dominance of developed economies and highlights the growing influence of emerging markets in global trade and investment.

Increase in Foreign Investment in India

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India’s economic growth makes it a hot destination for foreign direct investment. India is emerging as an increasingly viable destination for multinational corporations as a manufacturing base and consumer market, driven by the nation’s young population and stable growth potential.

This influx of capital could further accelerate India’s GDP growth, which could reach $6.8 trillion by 2030, according to IMF projections. However, there is a requirement to surmount issues such as bureaucratic red tape and infrastructure shortage to sustain the momentum.

Geopolitical Influence and Regional Leadership

As a rising economic giant, India is making its presence felt on international fora like the G20 and BRICS. Its economic strength renders it a South Asian leader, fostering regional development and integration.

India’s growing geopolitical sway could also reshape global trade agreements and supply chains, particularly as it rebalances trade relationships away from dollar-denominated systems.

Japan and Other Advanced Economies Face Challenges

Japan’s fall to the world’s fifth-largest economy illustrates the quandaries of developed nations with declining, aging populations and moribund growth. The IMF’s downgrade of Japan’s growth forecast for 2025 to 0.6% reflects the impact of U.S. tariffs and structural woes like deflation and a lack of workers.

This is also a wake-up call to other advanced economies, such as Germany and the Euro area, that are subject to the same forces of pressure from global trade tensions and demographic trends.

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Global Trade and Tariff Dynamics

The escalating U.S.-China trade war, exacerbated by U.S. tariffs of 145% on Chinese goods and China’s tit-for-tat 125% tariffs, has disrupted global supply chains, affecting export-driven economies like Japan.

India, with its diversified economy and domestic consumption base, is less vulnerable to such disruptions. However, the IMF warns that global trade uncertainty could decelerate growth, with India’s 2025 forecast reduced from 6.5% to 6.2% because of these tensions.

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Conclusion

India’s emergence as the world’s fourth-largest economy in 2025 reflects its robust growth, strategic reforms, and demographic dividend. Leveraging infrastructure investment, digital innovation, and a young demographic, India has overtaken Japan, whose structural weaknesses and currency weakness are challenging.

This benchmark is part of a broader rebalancing of economic power globally in favor of emerging markets, with India projected to be the third-largest economy by 2028. For the global economy, India’s rise offers opportunities for trade and investment but also underlines the challenges of managing trade tensions and ensuring growth.

As India surges economically, its influence on the global stage can only grow, reshaping the world’s economic and geopolitical order.