Over the past decade, India’s economy has more than doubled in size—from $2.1 trillion in 2015 to today’s valuation—a striking 105% expansion that eclipses many global counterparts. Meanwhile, Japan’s economy remains largely stagnant, with a mere 0.6% real growth projected in 2025. This growth is underpinned by several factors: a burgeoning working-age population, strong domestic consumption, and strategic government reforms.