America's July Fiscal Deficit Hits Five-Year High: Structural Deterioration Behind a Cyclical Blip

美国7月联邦赤字创五年多新高：周期性跳变背后的结构性恶化

Global Macro & Public Finance Watch, International Economic Policy Institute

国际经济政策研究所 · 全球宏观与公共财政观察

Ⅰ. The Headline Number and Why It Shocked the Market

一、 headline 数据与市场的错愕

The U.S. Treasury reported on August 12, 2026 that the federal government ran a **432.3billiondeficitinJuly2026∗∗,uproughly∗∗48291.1 billion a year earlier and well above the consensus forecast of $346 billion. It is the largest single-month gap since March 2021 (the pandemic-relief peak) and the highest July reading on record.

美国财政部2026年8月12日公布：2026年7月联邦预算赤字 4323亿美元，同比扩大约 48%（去年同期2911亿），远超市场预期的3460亿。这是自2021年3月（疫情纾困峰期）以来最大单月赤字，也是历年7月最高纪录。

July outlays hit 766.3billion∗∗(vs.334.0 billion receipts). For the first ten months of FY2026 (Oct 2025–Jul 2026), the cumulative deficit reached 1.799trillion∗∗,alreadysurpassingthefull−yearFY2025deficitof1.775 trillion.

7月支出 7663亿，收入仅 3340亿。FY2026前10个月累计赤字 1.799万亿，已高于FY2025全年赤字1.775万亿。

Institute note:​ A 48% YoY jump in a single month always contains noise. But the direction of the underlying trend — not the noise — is what keeps fiscal hawks awake.

本所札记：​ 单月同比跳涨48%必然含噪声，但噪声之下趋势的方向，才是财政鹰派真正失眠的原因。

Ⅱ. Decomposing the Spike: One-Offs vs. Structural Drift

二、拆解跳涨：一次性因素 vs. 结构性漂移

1. Calendar and legal one-offs（一次性日历与司法因素）

• $99 billion​ of Social Security, SSI and Medicare payments were pulled forward into July because August 1 fell on a weekend.

• **~33billion∗∗nettariffrefundinJuly(customsnetreceipts−8.55bn); the Supreme Court's voiding of IEEPA emergency tariffs has forced ~100billion∗∗ofcumulativerefunds,withCBOcuttingitsfull−yeartariff−revenueestimateby∗∗250 billion.

• Adjusted for calendar effects, July's deficit is still **333billion∗∗,up 50bn YoY — i.e. half the headline shock is real, half is timing.

• 因8月1日为周末，990亿社保/SSI/医保款提前至7月拨付。

• 7月关税净退款约 330亿（海关净收入−85.5亿）；最高法院推翻IEEPA紧急关税后累计退税约 1000亿，CBO将全年关税收入预期下调 2500亿。

• 剔除日历因素后7月赤字仍达 3330亿（同比+500亿）——即头条冲击一半是真、一半是时点错位。

2. The structural drivers（结构性驱动）

• Medicare 174bn∗∗inJuly(June:103bn), FYTD 955bn∗∗;thesinglelargestspendingline,aheadofSocialSecurity(141bn) and net interest ($104bn).

• **Net interest FYTD 931bn∗∗(grossinterest1.17tn); CBO puts daily interest servicing at >.3.18bn/day∗∗.FY2026netinterestisprojectedat∗∗ 1.24tn, crossing 1% of GDP and overtaking the defense budget (~$895bn in FY2025) — a modern-era first.

• **Gross debt 39.84tn∗∗asoflateJuly,public−held32.1tn; crossing $40tn​ is now a matter of days, not quarters.

• 7月 Medicare 1740亿（6月1030亿），本财年累计 9550亿，超过社保（1410亿）与净利息（1040亿）居首。

• 本财年迄今 净利息9310亿（毛利息1.17万亿）；CBO测算日均付息 超31.8亿。FY2026净利息预计 约1.24万亿，首破万亿、超越国防预算（FY2025国防约8950亿）——现代史上首次。

• 7月底总债务 39.84万亿（公众持有32.1万亿），突破 40万亿​ 已是按天计的事。

Ⅲ. The Unusual Part: Deficits in an Expansion, Not a Recession

三、反常之处：扩张期赤字，而非衰退期赤字

CBO now projects the FY2026 deficit at **2.1trillion∗∗,up200bn from its February estimate. The striking feature is the cyclical location of the red ink: U.S. real GDP is still growing, unemployment is below the NAIRU, and inflation has only just re-entered the 2-handle. Historically, deficits of 6%+ of GDP were reserved for wars, recessions, or COVID.

CBO将FY2026赤字预期上调至 2.1万亿（较2月预测+2000亿）。刺眼的是赤字的"周期位置"：美国实际GDP仍在扩张、失业率低于NAIRU、通胀刚回2字头。历史上6%+ GDP占比的赤字只属于战争、衰退或新冠。

This is what CRFB calls "deficits without a downturn"​ — the r > g condition (average interest rate on debt > trend GDP growth) is no longer a 2030s problem, it is pricing bonds today.

这正是CRFB所言"无衰退的赤字"——r>g（债务平均利率高于趋势增速）不再是2030年代问题，而是在今天给债券定价。

Ⅳ. The Feedback Loop: Debt → Interest → Debt

四、反馈螺旋：债务→利息→债务

We model the closed loop as follows:

本所构建的闭环如下：

1. Stock effect:​ Every 1tnaddedtodebtat4.242bn annual interest forever.

   存量效应：债务每增1万亿、按4.2%平均票息=每年永久多付420亿利息。

2. Roll-over effect:​ 39.9tn debt, shortening duration, with 30Y yield at 5.27% (Aug 2026) reprices the stock upward.

   滚续效应：39.9万亿债务、久期缩短，30年期收益率5.27%（2026年8月）向上重定价存量。

3. Issuance effect:​ To fund 2.1tndeficit,Treasurymustsell 2tn net new paper even after roll-overs — absorbing global savings glut, pushing term premium back up.

   发行效应：为补2.1万亿缺口，财政部净增发约2万亿（不含滚续），吸收全球储蓄盈余，抬升期限溢价。

4. Monetary-policy effect:​ Fed cannot easily cut because fiscal dominance risk means easing = steeper curve = higher interest line next year.

   货币政策效应：美联储不敢轻易降息，因财政主导风险下"宽松=曲线更陡=明年利息线更高"。

5. Back to (1).

   回到第1步。

CRFB and GAO both flag this as a slow-boil default path: not a 2026 technical default, but a 2030s scenario where Washington chooses inflation tax + financial repression over explicit haircut.

CRFB与GAO均将其标记为温水煮青蛙式隐性违约路径：不是2026年技术违约，而是2030年代华盛顿在"通胀税+金融抑制"与"明示减记"之间选前者。

Ⅴ. Externalities for the Global Economy

五、对全球经济的外部性

The July print matters less as a number than as a signal: the world's reserve issuer is now running wartime deficits in peacetime, and the marginal buyer of its debt is increasingly its own banking system and money market funds, not foreign central banks.

7月这张表的重要性不在数字本身，而在信号：全球储备货币发行国正在和平期跑出战时赤字，其债务的边际买家日益变成本土银行体系与货基，而非外国央行。

Ⅵ. Policy Implications (Institute View)

六、政策含义（本所判断）

1. No soft landing for the deficit.​ Even with a growth slowdown, CBO baseline shows deficits >$1.8tn through 2030. The adjustment has to come from entitlement reform, tax base broadening, or explicit inflation tolerance — politics decides which.

   赤字没有软着陆。​ 即便增长放缓，CBO基线显示2030年前赤字均>1.8万亿。调整只能来自福利改革、拓宽税基或明示容忍通胀——由政治选哪条。

2. Fed independence is now partly fiscal independence.​ Every 100bp the Fed holds above neutral is ~$400bn/year added to the interest line by 2028.

   美联储独立性已部分等于财政独立性。​ 中性之上每多守100bp，到2028年每年给利息线加约4000亿。

3. Watch the August refunding, not the July deficit.​ The quarterly auction sizes and any shift from bills to coupons will tell you more about sustainability than one noisy month.

   盯8月再融资而非7月赤字。​ 季度发行规模、以及从短券转向长券的任何迹象，比一个带噪月的数字更能说明可持续性。

4. Investor takeaway.​ Long-end U.S. real yields carry a fiscal-risk premium that was absent in 2019; treat 5% 30Y as a regime, not an overshoot.

   投资者结论。​ 美债长端实际收益率已内含2019年不存在的财政风险溢价；把30年5%当作机制而非超调。

Ⅶ. Bottom Line

七、结语

The July 2026 deficit of 432.3bnisnotacrisismoment—itisa∗∗cleanX−rayofachroniccondition∗∗.Withgrossdebtat39.8tn, net interest overtaking defense, Medicare crowding out discretionary spend, and tariff revenue reversing into refunds, the U.S. fiscal path is exactly what CBO labels "unsustainable." The only open question is whether the adjustment arrives via policy choice in the 2027–29 window, or via market coercion thereafter.

2026年7月4323亿赤字不是危机时刻，而是一副慢性病的清晰X光。总债务39.8万亿、净利息超越国防、Medicare挤占自由裁量支出、关税收入反转成退税——美国财政路径正是CBO标注的"不可持续"。唯一未决的问题是：调整在2027–29窗口由政策主动完成，还是此后由市场强制完成。

Prepared by the International Economic Policy Institute — Global Macro & Public Finance Watch. Data as of Aug 12, 2026, sourced from U.S. Treasury Monthly Statement, CBO Aug 2026 update, CRFB and GAO fiscal-health releases.

国际经济政策研究所 · 全球宏观与公共财政观察 编制。数据截至2026年8月12日，来源含美国财政部月报、CBO 2026年8月更新、CRFB与GAO财政健康报告。

继续阅读：美国财政部   美国   财政部   联邦预算赤字

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