Japan’s stock market briefly touched new record highs this week as Sanae Takaichi became the country’s 104th prime minister and its first female leader. Investors celebrated her fiscal dovishness and expectations of continued stimulus. Yet, beneath the headlines and rallies, Japan’s fundamental problems remain untouched — stagnant growth, declining productivity, and a demographic collapse that shows no sign of reversing.
The Nikkei 225 surged as much as 1.5% to a historic 49,945.95 before paring gains, while the broader TOPIX also hit an all-time high. The optimism came not from structural progress, but from the familiar hope of cheap liquidity and government spending. For decades, Japan’s stock rallies have been driven by stimulus expectations, not genuine growth or innovation. Nothing in Takaichi’s early remarks suggested any deviation from this well-worn script.
What continues to go unaddressed is Japan’s most existential problem — the birth rate. The latest government data shows fertility at a record low of 1.20, down for the eighth consecutive year. Births fell below 800,000 in 2024 for the first time in recorded history, and deaths exceeded births by more than 900,000. This demographic implosion is shrinking Japan’s domestic market, eroding its tax base, and pressuring its pension system beyond sustainability. Yet, Takaichi’s ascent came and went without any meaningful proposal to tackle the crisis.
Japan’s economy remains stuck in a time warp: low interest rates, rising government debt, and zero productivity growth. The Bank of Japan still owns over 50% of the country’s government bonds and large portions of the ETF market — an unprecedented level of central bank involvement that distorts real valuations. Public debt now exceeds 260% of GDP, the highest among advanced economies, and no credible fiscal plan exists to reverse the trend.
Meanwhile, China has overtaken Japan on all measurable fronts. Its GDP is now four times larger, its manufacturing output is unmatched, and its technological ecosystem — from EVs to AI — outpaces Japan’s by years. In 1990, Japan accounted for 15% of global GDP; today, it contributes less than 4%. China now dominates Japan in trade, innovation, and geopolitical leverage, a reversal unthinkable three decades ago. Even South Korea has eclipsed Japan in semiconductor competitiveness and cultural exports.
For all the media excitement about Takaichi’s historic appointment, her policy orientation remains anchored in nostalgia — a continuation of LDP orthodoxy that prioritizes short-term market reassurance over long-term renewal. Her coalition with the right-wing Japan Innovation Party signals a government more likely to focus on nationalist rhetoric than on structural reform or immigration policy that could meaningfully address Japan’s labor shortage.
The contrast between stock market euphoria and social reality could not be sharper. Corporate profits are buoyed by a weak yen, which inflates export earnings, but that same currency weakness erodes purchasing power at home. Wages remain stagnant, household consumption is falling, and younger generations are increasingly disengaged from both work and family life. The government’s childcare subsidies and token incentives for larger families have failed repeatedly because they ignore the deeper cultural and economic drivers of Japan’s demographic crisis: overwork, insecurity, and the high cost of urban living.
While global markets rallied on easing U.S.–China trade tensions, Japan’s gains feel detached from fundamentals — a mirror of an aging economy propped up by monetary illusion. The Nikkei’s record highs say little about future prosperity. Investors are celebrating liquidity, not leadership.
In the end, Japan under Takaichi looks set to follow the same trajectory as under her predecessors: higher stock prices, higher debt, and fewer babies. Nothing has changed — except that China is now so far ahead that Japan’s “miracle” economy has become a cautionary tale.
In Summary: Japan may have a new prime minister and a new market record, but the underlying story remains the same — a shrinking population, stagnant innovation, and economic dependency on stimulus. Without confronting its demographic collapse, Japan’s stock market highs are merely paper victories in a long-term national decline.
