Japan just passed its biggest-ever national budget: ¥122 trillion ($766 billion). Defense spending hit $56 billion. Debt servicing alone costs $196 billion. With government debt at 230% of GDP, the highest among all major economies, can Japan really afford "responsible proactive fiscal policy" as interest rates rise? Here's what you need to know, with G7 comparisons.

A Record Budget, Barely Passed

On April 7, 2026, Japan's parliament approved the fiscal year 2026 budget with total general account expenditures of ¥122.3 trillion ($766 billion), the largest in the nation's history and a second consecutive record.

The passage was anything but smooth. Prime Minister Sanae Takaichi's decision to dissolve the lower house in January delayed the budget submission by about a month, making this the first time since 2015 that the initial budget wasn't passed before the fiscal year began on April 1.

In the upper house, where the ruling coalition (LDP and Nippon Ishin no Kai) was four seats short of a majority, the government had to secure support from the Japan Conservative Party and independent lawmakers. The budget committee vote ended in a tie, something that hadn't happened since 1980, and the committee chair cast the deciding vote.

Where the Money Goes

Three areas stand out in this budget:

Social security: ¥39.1 trillion ($245 billion). The single largest spending category. Japan's aging population continues to drive up healthcare costs, compounded by a 3.09% increase in medical service fees, the highest in 30 years. The budget also includes free high school tuition expansion and free elementary school lunches (about ¥700 billion / $4.4 billion combined).

Defense: ¥9.04 trillion ($56 billion). Crossing the ¥9 trillion mark for the first time. The Middle East crisis, including tensions around the Strait of Hormuz, has reinforced Japan's focus on energy security and deterrence capability.

Debt servicing: ¥31.3 trillion ($196 billion). Exceeding ¥30 trillion for the first time. This covers principal repayment and interest on government bonds. The assumed interest rate was raised from 2.0% to 3.0%, adding roughly ¥2.5 trillion ($16 billion) in interest costs alone.

Revenue: Tax Revenue Hits a Record Too

Tax revenue is projected at a record ¥83.7 trillion ($524 billion). New government bond issuance stands at ¥29.6 trillion, and the share of the budget funded by borrowing (bond dependency ratio) improved slightly from 24.9% to 24.2%.

A notable milestone: the primary balance, which measures whether the government can cover policy expenses without new borrowing, is projected to turn positive at ¥1.3 trillion, the first surplus in 28 years.

Takaichi's "Responsible Proactive Fiscal Policy"

Since taking office, PM Takaichi has pushed back against what she calls excessive austerity, prioritizing growth investments in AI, semiconductors, and national resilience. In an unusual move, the final budget was approved at nearly the same level as ministry budget requests (¥122.4 trillion), typically, the Finance Ministry trims several trillion yen during negotiations.

After the budget passed, Takaichi told reporters she regretted not achieving passage before the fiscal year began, but said the government had minimized the risk of disruption to daily life.

How Japan Compares to G7 Peers

Japan's fiscal position is in a league of its own among major economies.

According to IMF data for 2025, Japan's government debt stands at roughly 230% of GDP, far above every other G7 nation. Italy comes next at about 137%, followed by France (~112%), the UK (~104%), Canada (~103%), and the US (~100%). Only Germany, at roughly 65%, retains significant fiscal headroom. Six of seven G7 nations now exceed the 100% debt-to-GDP threshold, limiting their ability to respond to future crises with additional spending.

Japan's outstanding government bond balance is projected to reach ¥1,145 trillion ($7.2 trillion) by the end of FY2026, equivalent to about ¥9.3 million ($58,000) per citizen.

The Interest Rate Risk

The main reason Japan has avoided a fiscal crisis despite its massive debt load has been ultra-low interest rates. Under the Bank of Japan's zero and negative interest rate policies, the cost of servicing that debt remained manageable.

That foundation is crumbling. The BOJ has entered a rate-hiking cycle, and long-term interest rates have reached 2.4%, the highest in 27 years. While this budget assumes a 3.0% rate, any further increases would push debt servicing costs well beyond projections. Interest payments alone have surged to ¥13 trillion ($81 billion), and each additional 1% in interest rates adds trillions of yen in costs.

Markets are currently pricing in a greater than 70% probability of another BOJ rate hike at the April 27-28 policy meeting, which could further tighten the fiscal squeeze.

The Middle East Factor

Looming over these budget deliberations is the deteriorating situation in the Middle East. The de facto closure of the Strait of Hormuz has sent oil prices soaring, a critical concern for Japan, which imports roughly 90% of its energy. Opposition parties had proposed budget amendments addressing energy price hikes, but these were voted down. Calls for a supplementary budget are already growing from both ruling and opposition camps.

PM Takaichi indicated in parliamentary debate that she is pursuing diplomatic channels with both the US and Iran, seeking to mediate the crisis.

Can Japan's Finances Hold?

On the bright side, the primary balance surplus and record tax revenues are encouraging signs. About 90% of Japanese government bonds are held by domestic investors, making a Greece-style capital flight scenario unlikely.

But the structural challenges are daunting. A shrinking and aging population will keep pushing social security costs higher. Rising interest rates threaten to make debt servicing an ever-larger share of the budget. The "proactive fiscal policy" bet assumes economic growth will boost tax revenue enough to outpace spending, but if growth disappoints, the fiscal situation could deteriorate rapidly.

Japan's fiscal tightrope walk continues. How does your country handle the balance between government spending and fiscal responsibility? We'd love to hear your perspective.

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