Japan Is Rearming: Why Takaichi's Supermajority Could End Eighty Years of Pacifism

The largest parliamentary majority in postwar Japanese history. That is what Prime Minister Sanae Takaichi walked away with on February 8, 2026: 316 out of 465 seats for her Liberal Democratic Party alone, and with coalition partners, more than three-quarters of the lower house.

It is, by any measure, a stunning mandate. But it is what she plans to do with it that will truly go down in the history books. Because by all indications, Takaichi and her parliamentary majority are looking to upend Japan’s eighty-year-long pacifist streak.

For a country whose entire postwar identity was built around restraint — a wealthy, advanced economy sheltered under an American security guarantee — this is no small turn. The constraints that once defined Japan’s place in the world are now being tested by the most powerful leader the country has produced in generations.

Japan is rearming, and a leader with a once-in-a-lifetime mandate intends to see it through.

How Japan Got Here

To understand the scale of February’s victory, you have to understand just how volatile Japanese politics were before Takaichi. Japan does not have a monopoly on divided or gridlocked governments, but the scale of her win is all the more noteworthy given the position Tokyo was in.

The LDP has governed Japan almost without interruption since 1955, earning the country the title of a “one and a half party state.” Prime ministers came and went — sometimes quite frequently — but the party itself usually maintained comfortable governing majorities. That long dominance makes the recent turbulence stand out even more.

What makes Takaichi’s rise all the more surprising is that she herself ran for her party’s leadership less than two years ago, and lost to the more moderate Shigeru Ishiba. Thinking his slightly improved poll numbers would pay off, Ishiba called for early elections, which played out about as well as Theresa May’s similar gamble back in 2017. The LDP lost its majority and was reduced to a minority government. The following year, it lost its majority in the country’s upper house of parliament as well, leaving it effectively neutered.

Takaichi Seizes the Moment

Clearly, a different approach was needed — and Takaichi, sensing an opportunity, made her move. When Ishiba stepped down, the LDP’s more nationalist wing rallied behind her candidacy, believing she represented everything the moderates had been trying to keep at arm’s length — the very instincts that had cost the party at the ballot box. She won the leadership race outright, and with it, the premiership.

The vibe shift was significant enough that Komeito, the LDP’s longtime coalition partner, quit the alliance altogether. Just ten days later, Takaichi replaced them with Ishin, a right-of-center party that held precisely the opposite view from Komeito. Rather than wanting Takaichi to slow down and cool off, they were encouraging her to go further, faster.

While the nationalism angle captured global attention in the wake of her victory, domestic issues were some of what helped her the most. The realignment was not only ideological — it was structural, removing the partners most likely to restrain her and replacing them with those eager to accelerate.

The Economic Pitch That Disarmed the Opposition

Japan has been through nearly four years of higher-than-two-percent inflation, which might sound manageable by global standards. But for a country that spent nearly three decades in and out of deflation — and with companies known to publicly apologize in the rare circumstances they had to raise prices — this was unprecedented. Rice, a staple of Japanese cuisine, saw prices more than double in the last year.

Takaichi’s response was a proposed two-year suspension of the 8% consumption tax, at an annual cost of roughly ¥5 trillion — equivalent to the country’s entire education budget. What made this so politically devastating for the opposition was that the consumption tax cut had been their demand for years, one the LDP had steadfastly refused. Takaichi simply took it, and in doing so left the opposition with almost nothing to run on.

The party meant to challenge her — the newly formed Centrist Reform Alliance, itself a merger between the center-left Constitutional Democratic Party and the LDP’s former coalition partner Komeito — was thrown together just 24 days before the election, and badly struggled to find its footing on what to oppose.

A Bloodbath at the Ballot Box

The largest opposition force in Japan had less than a month to merge two parties with fundamentally different identities, agree on a platform, and mount a national campaign. This was never going to be a real nail-biter of an election night, but even accounting for that, it was a rout.

The defeat was severe by any historical comparison — beyond the thumping the US Democrats received in 1984, or even what the UK Tories suffered in 2024. The opposition collapsed from 167 seats to 49, with both co-leaders resigning in the election’s aftermath. Meanwhile, the LDP won 316 out of 465 seats — the most by any single party since its founding in 1955.

When factoring in Ishin’s seats, the ruling bloc controls more than three-quarters of the lower house — crucially, giving it the ability to override the upper house altogether, and to initiate constitutional amendments. That last power is what transforms an electoral win into a potential turning point for the country’s founding document.

Why Young Voters Embraced Her

Economics was not the only issue at play. Takaichi consistently played up her hardline positions on both foreign policy and immigration, which performed very well domestically. On immigration specifically, she ran on what her government calls “orderly coexistence” — a framework that more or less means a robust, enforcement-first approach: tighter residency criteria, stricter visa compliance requirements, and especially expanded crackdowns on legal violations by migrants, which can range from violent acts to visa overstays.

For whatever reason, this really resonated with younger voters. Approval ratings for Takaichi among Japanese voters under 30 years old are consistently well above 75 percent, and in one major poll reached as high as 90 percent. That is all the more impressive given that her predecessor was sitting at around 23 percent approval overall just half a year earlier.

Part of that is policy — young supporters cite her economic vision as optimistic for their future and her hardline stances as refreshingly direct. But part is cultural: a “Takaichi-mania” phenomenon, fueled by her background playing drums in a heavy metal band and drumming K-pop alongside South Korea’s president, makes her feel far more relatable than her predecessors.

What a Supermajority Cannot Fix

For all her strength, this can only get Japan so far. The country is in a precarious situation, and it is not at all clear that government action alone can address it.

HomeFronts has previously covered Japan’s demographic crisis, which has become one of the worst on Earth. Japan recorded just 670,000 births last year, with a total fertility rate of around 1.1 and deaths exceeding births by nearly a million annually. This imbalance is clearly unstable for the country long term, and sooner or later it will need more people to make up the difference — and if there is one thing to say about Takaichi, it is that she is not exactly inclined to start letting in any sizable amount of foreign workers.

To her credit, she has not ignored the issue — she herself has acknowledged that population decline is Japan’s “biggest problem.” But that is the lowest possible bar to clear, especially given how dire the situation is. The country is beginning to collapse in on itself due to there not being enough people, with rural areas simply evacuating once their populations fall low enough.

The Demographic and Fiscal Gamble

In terms of what the LDP is actually going to do about this, the country is still waiting. Takaichi has established a “Population Strategy Headquarters” and tasked her cabinet with building a comprehensive response that links child-rearing, regional revitalization, and social security reform into a single coordinated strategy. Some of what is being proposed includes expanded child allowances, reduced childbirth and education costs, and boosted parental leave incentives. It is an explicitly top-down approach that views finances as both the largest barrier and the most effective incentive to having children.

The question is whether that is going to be enough. No country has ever reversed a fertility rate this low through domestic policy alone, regardless of how much cash it throws at the problem.

And speaking of throwing cash at the problem, this brings us to the other barrel Japan is staring down: a debt-to-GDP ratio that is astronomical, sitting above 230% — and that is before factoring in the considerable spending Takaichi has yet to unveil. The financial mathematics leave very little margin for error.

The Bond Market Warning

When Takaichi announced the snap election and the consumption tax suspension in January, financial markets did not respond well. The cost of borrowing on long-term Japanese government bonds hit levels not seen in over thirty years, with Bloomberg calling it a “bond market rebellion.” Things settled down afterward, but the underlying math has not changed — Japan is spending dramatically more than it is bringing in, and Takaichi’s economic team is riding on the assumption that pro-growth policies will generate enough revenue to cover the gap.

It is possible that bet could pay off. But if it sounds familiar, it is because two British prime ministers have essentially taken that same gamble — Liz Truss back in 2022, and then Keir Starmer — and in both cases, bond markets responded by making the cost of borrowing so painful that their “growth” part never got off the ground. Japan’s situation is not identical, but the underlying logic is the same: spend now, assume growth will come later, and hope the markets do not call your bluff in the meantime. That is not a bet a parliamentary majority alone can rectify if it goes wrong.

The Geopolitical Shift

Whatever challenges Japan faces at home, the shift that has gotten the most attention internationally is what Takaichi has done — and plans to do — abroad.

Months before the election, while still leading a minority government completely dependent on other parties’ cooperation to pass budgets, Takaichi stood in Japan’s parliament and said something no sitting Japanese prime minister had said in the postwar era: a Chinese naval blockade of Taiwan could constitute a “survival-threatening situation” for Japan. That term carries very specific meaning under the country’s 2015 security legislation, because it is the legal trigger that would allow Japan to exercise collective self-defense alongside allies even if it had not been directly attacked.

While this may sound like relatively normal policy for some countries, it broke with decades of carefully positioned ambiguity on Taiwan. Tokyo was clearly concerned about the situation and supportive of the status quo, but had never quite committed to how far it would go if a crisis erupted. Takaichi did away with that ambiguity in a single sentence, and when pressed weeks later, she doubled down — arguing publicly that the US-Japan alliance would “crumble” if Tokyo looked away from a Taiwan crisis.

The Debate Over Ambiguity

There is a reasonable debate to be had about whether this kind of ambiguity was ever really sustainable. Defenders of the old approach argued that it kept everyone guessing — that Beijing could not be sure Japan would intervene, and Tokyo never had to confront the political costs of saying so publicly. But the counterargument, the one Takaichi clearly subscribes to, is that this was always something of a polite fiction: everyone already knew what side Japan would be on if things really went south.

That is not to say it was not controversial. Shigeru Ishiba, her direct predecessor, is a lifelong defense hawk himself, and even he publicly criticized the move. The Komeito party, which had already ended its twenty-six-year coalition with the LDP over Takaichi’s rightward shift, went even further — its leader, Tetsuo Saito, opened direct channels with the Chinese ambassador and offered to mediate the fallout, positioning the party as an extraordinary unofficial alternative route to Japanese diplomacy.

And speaking of Beijing, China has not exactly been a fan of Takaichi’s rise. It reimposed bans on Japanese seafood imports it had only recently lifted, cut rare earth mineral exports, canceled airline routes, and summoned the country’s ambassador. The Chinese consul general in Osaka went far further, posting on X that China would have “no choice but to cut off” the prime minister’s “dirty neck.”

China’s Strategic Blunder

The general rule in politics is not to interrupt your opponent when they are making a mistake, and in this case, China’s mistake was epic. Rather than warn the Japanese public off a woman they perceived to be dangerous, they instead turned her into a national hero — the prime minister standing up to a regional bully.

It is worth stressing how much of Japan’s postwar identity has been built around not doing what Takaichi did here. Article 9 of their constitution, written in the aftermath of the surrender to the United States, went much further than just limiting Japan’s military — it formally renounced war itself as a sovereign right and prohibited the maintenance of “war potential.” It was a product of the time, when the idea of Japanese rearming was considered an existential threat to the world order.

For decades, this was upheld as a sacrosanct virtue in the country’s political culture. Tokyo did create the Self-Defense Forces back in 1954, but the constraints were so strict that it is quite generous to put them in the same category as a full military. The entire arrangement rested on the understanding that America handled the deterrence.

From Abe to Takaichi

Changes to this status quo really started to take off under the late Prime Minister Shinzo Abe, who in 2014 pushed through a reinterpretation of Article 9 allowing for limited collective self-defense — meaning that Japan could, for the first time, use force to defend allies even if they themselves were not under attack. It was a doctrinal break, and generated mass protests in Tokyo from the more dovish factions of the country. But it still existed as more of an abstract concept — something that could take place in a hypothetical future, not a here-and-now military buildup.

Then in 2022, Prime Minister Fumio Kishida pushed things even further: adopting a hawkish national security strategy, and committing to a multi-year buildup of defense spending that would ultimately hit 2 percent of GDP. And given Japan has the 4th largest economy in the world, just a hair behind Germany, two percent of GDP translates to an enormous amount of money.

Takaichi, though, hit the accelerator — the nation is now set to hit the 2 percent threshold later this spring. What Japan is acquiring with that money can tell you more than just the numbers: Tomahawk cruise missiles from the United States; specially designed long-range missiles exceeding 1,000 kilometers in range; and plenty more it is less willing to discuss with the wider world.

Hardware, Islands, and the Nuclear Question

Where this hardware is going matters just as much as what it is. Japan has been quietly fortifying its southwestern island chain, stretching from Okinawa down through the Ryukyu Islands, which sit close enough to Taiwan that their strategic significance needs no explanation.

And then there are nuclear weapons. Takaichi has refused to reaffirm the country’s longstanding “Three Non-Nuclear Principles” — particularly the prohibition on allowing nuclear weapons onto Japanese territory. This is especially relevant given that her coalition partners are openly floating NATO-style nuclear sharing with the United States. Suffice it to say, the Self-Defense Forces are going to be looking a lot more formidable in the years to come.

A Sleeping Giant Wakes

If any of the postwar disarmament situation is ringing bells, that is understandable. Much of Europe’s postwar experience was similar in terms of taking a more distrustful stance toward large-scale militarization — especially Germany. For both Tokyo and Berlin, so much of the focus for much of the 20th century was stopping them from rearming on the basis that they would someday want to. The idea of this being pushed from outside was not even considered.

And yet, here we are. Japan has not only hit the 2 percent spending threshold ahead of its own schedule, but done so with what can only be described as Washington’s blessing. President Trump and Takaichi have a genuinely good relationship — when they met in Tokyo in October last year, the two addressed a gathering of US sailors aboard the USS George Washington, where he praised her leadership and she gave a now-viral fist pump in response. He announced his “complete and total endorsement” for her ahead of the snap elections, too.

If anything, the only criticism of Tokyo coming from Washington lately is that the 2 percent target is not high enough. Under-secretary of Defense Elbridge Colby has publicly called that threshold “manifestly inadequate” and pushed for 3 percent instead, while Trump has been floating numbers as high as 3.5.

What It Means for the Region

One phrase that has been getting a lot of attention, “Japan Is Back,” is borrowed directly from the playbook of Takaichi’s mentor, the late Shinzo Abe. And whatever one may think of it, the days of the postwar order are clearly coming to an end in East Asia.

The question of what a rearmed Japan means for the rest of the region depends entirely on who you ask. For Taiwan, the answer is straightforward and the most positive of anyone else in the region: a rearmed Japan is the best news Taipei has had in years, especially with the US remaining ambiguous about what a Chinese invasion of the island would be met with. Taiwanese President Lai Ching-te called Takaichi a “steadfast friend,” with reports of the two potentially in the process of developing a quasi-security alliance.

For South Korea, this is a harder calculation. The Japanese treatment of Koreans during their imperial occupation of the peninsula was nothing short of horrifying, and the idea of the country rearming is not exactly welcome news to Seoul. That tension has only gotten more complicated since the fall of Yoon Suk-yeol, whose martial law fiasco handed power to the left-of-center and more dovish Lee Jae-myung, whose party has historically been far less interested in deepening cooperation with Tokyo. And yet, for all that, Lee and Takaichi have already held multiple summits — and when Xi Jinping tried to rally Seoul against Japan during Lee’s visit to Beijing, the South Korean leader publicly responded by saying that relations with Japan are just as important as those with China.

The Last Institutional Brake Is Gone

But what really matters for the story of Japan is what changed at home. The coalition shift removed the last institutional brake on the LDP’s more rearmament-focused ambitions entirely — not that the party exactly needs it now anyway, given its landslide majority. The only question now is how far it will go.

For eighty years, Japan’s answer to the question of what kind of country it wanted to be was, essentially, a rich and peaceful one, protected by an American security guarantee that made the question of military power an abstract concept. And for what it is worth, that model held. With a few asterisks. It held for as long as the world cooperated — so long as China’s rise was more economic than militaristic, as long as North Korea did not actually act on its perpetual rhetoric of turning its enemies into seas of fire.

Takaichi clearly believes we are in a different world, and that the restraints imposed on the country in decades gone by no longer serve its interest. And now, she has a clearer mandate to act on this vision than any Japanese prime minister has enjoyed in the nation’s postwar history.

A New Player at the Table

While there may be a few who were around for a world in which Japan was a great power, the overwhelming majority of people alive today have always known the country as what it has been since 1945: a wealthy, advanced economy, home to the likes of Toyota and anime. And while the American auto industry might have been raising red flags about Japanese invasions in the ’80s, a military version was not quite what they meant.

For decades, the competition in the Pacific has largely come down to Beijing, Washington, and — when it wanted to lash out with threats to end us all — Pyongyang. There is a new player at the table now. Or, perhaps more accurately, an old one that is waking up after a very long hibernation.

Frequently Asked Questions

How large was Takaichi’s election victory? Her Liberal Democratic Party won 316 of 465 lower-house seats on February 8, 2026 — the most by any single party since the LDP’s founding in 1955. With coalition partner Ishin, the ruling bloc controls more than three-quarters of the lower house, the largest parliamentary majority in postwar Japanese history.

Why does the three-quarters majority matter so much? Controlling more than three-quarters of the lower house gives the ruling bloc the ability to override the upper house altogether and to initiate constitutional amendments. That removes key institutional brakes that had long constrained more ambitious defense and constitutional changes.

What did Takaichi say about Taiwan that broke with precedent? She stated that a Chinese naval blockade of Taiwan could constitute a “survival-threatening situation” for Japan — a term that, under the 2015 security legislation, is the legal trigger allowing Japan to exercise collective self-defense alongside allies even if not directly attacked. It ended decades of deliberate ambiguity on Taiwan.

How did China respond to Takaichi’s rise? Beijing reimposed bans on Japanese seafood imports, cut rare earth mineral exports, canceled airline routes, and summoned Japan’s ambassador. The Chinese consul general in Osaka went further still, posting on X that China would have “no choice but to cut off” the prime minister’s “dirty neck” — backlash that helped turn her into a national hero at home.

What is Japan acquiring with its increased defense spending? Japan is set to reach 2 percent of GDP on defense later this spring, ahead of schedule. Acquisitions include Tomahawk cruise missiles from the United States and specially designed long-range missiles exceeding 1,000 kilometers in range, alongside the fortification of its southwestern island chain near Taiwan.

What are the “Three Non-Nuclear Principles,” and why are they in the news? They are Japan’s longstanding commitment against possessing, producing, or allowing nuclear weapons onto its territory. Takaichi has refused to reaffirm them — particularly the prohibition on hosting weapons — at a time when her coalition partners are openly floating NATO-style nuclear sharing with the United States.

Why are young Japanese voters so supportive of Takaichi? Approval among voters under 30 is consistently above 75 percent, reaching as high as 90 percent in one major poll. Supporters cite her optimistic economic vision and direct hardline stances, alongside a cultural “Takaichi-mania” tied to her background playing drums in a heavy metal band.

Sources

• CSIS — Japan’s 26-Year-Old Ruling Coalition Collapses
• EJIL: Talk! — Collective Self-Defence and Takaichi’s Taiwan Comments
• Xinhua — Asia-Pacific
• Newsweek — Chinese Diplomat Threatens Japan’s PM Takaichi
• Defense News — Pacifist Japan Moving From Exclusive Self-Defense to Military Buildup
• AP News — Japan Military Buildup
• Tokyo Foundation — Research
• Dissent — Why Tokyo Is Burning
• SPF USA — 2022: A Year of Major Political Advancement in Japan’s National Security
• PBS NewsHour — Japan’s Cabinet Approves Record Defense Budget
• USNI News — Japan Signs Deal for 400 Tomahawk Land-Attack Missiles
• Naval News — Japan Completes All Improved Type 12 Anti-Ship Missile Tests
• Newsweek — China Condemns Japanese Missile Plan
• Taipei Times
• Japan Times — Takaichi and the Non-Nuclear Principles
• RealClearDefense — Japan Edges Toward Hosting Nuclear Weapons
• Wikipedia — 1955 System
• BBC News
• PBS NewsHour — Ishiba’s Coalition Loses Majority in Upper House Election
• Reuters — Japan’s Komeito to Leave Ruling Coalition
• Al Jazeera — Coalition Deal Set to Make Takaichi Japan’s First Female PM
• CNBC — Japan’s Core Inflation Hits Highest Level Since Jan 2023
• FocusEconomics — Japan Inflation
• CNBC — Japan PM Takaichi Calls Feb 8 Election
• Japan Times — CDP, Komeito New Party
• Japan Times — CRA, CDP Lose
• Kyodo News
• Financial Times
• The Conversation — Young Japanese Voters Embrace Right-Wing Populist Parties
• Foreign Policy — Japan, Sanae Takaichi, Election, Economy
• Kyodo News
• CFR — Political Realignment and the 2026 Japanese Election
• CNN — US, Japan, Trump, Takaichi Analysis
• Reuters — Trump Endorses Japanese PM Takaichi Ahead of Sunday Election
• Lowy Institute — Sanae Takaichi: Japan Is Back, Back
• The Diplomat — LDP’s Takaichi Proposes a Quasi-Alliance While in Taiwan
• Newsweek — Japan Births Lowest Records Began
• China Daily
• Newsweek — Japan Says Population Crisis Is Biggest Problem
• Kantei — Population Strategy Headquarters
• AEI — All Is Not Well on the Japanese Bond Market Front