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The interest rate the U.S. government pays to borrow money for 30 years hit its highest level in nearly two decades this week.
On Tuesday, the yield on the 30-year Treasury bond touched 5.34%, a level last seen in 2007. The 10-year Treasury note hit 4.75%, its highest in 19 months. The next day, the Treasury Department stepped in and more than doubled the size of its bond buyback program, and rates eased back.
That may sound like a story about Wall Street. It is not. Those two numbers help set what a Mountain Home family pays for a house, what the school district would pay to build a classroom, and how much it costs to finance a bass boat built in Flippin.
Here is what is happening, and what it could mean in Baxter County.
What a bond is, and why the rate matters here
When the federal government spends more than it collects, it borrows the difference by selling bonds. Investors buy them and collect interest. The interest rate is called the yield.
Bond prices and yields move in opposite directions. When investors want fewer bonds, prices fall and yields rise. That is what has been happening.
Those government yields work like a floor under almost every other interest rate in the country. Mortgages, car loans, business loans and the bonds that cities and school districts issue are all priced off them. When the floor rises, everything above it rises too.
Several forces are pushing the floor up at once.
The Congressional Budget Office projects a federal deficit of $1.9 trillion this fiscal year, about 5.8% of the whole economy. The 50-year average is 3.8%. Interest on the national debt passes $1 trillion this year for the first time, which is more than the government spends on anything except Social Security and Medicare.
Inflation is also still above the Federal Reserve’s 2% target, where it has sat for five years running. And a wave of corporate borrowing tied to artificial intelligence and data centers is competing for the same investor dollars.
The pressure is not only American. The same week, long-term borrowing costs hit multi-year or multi-decade highs in Japan, Germany, France and the United Kingdom.
One of those countries matters more to American interest rates than the rest combined.
Why Japan is the piece to watch
Japan owns more U.S. government debt than any other country. Treasury data put Japanese holdings at roughly $1.2 trillion, ahead of the United Kingdom at about $897 billion and China at about $693 billion.
That is close to 13% of all foreign-held federal debt. For most of the last 30 years, that money has been a steady, patient bid under the American bond market, and it helped keep U.S. borrowing costs lower than they otherwise would have been.
The reason was simple. Japanese interest rates were near zero for decades, so Japanese banks, insurers and pension funds sent money overseas to earn more.
That arrangement is coming apart.
Japan’s 10-year government bond yield has climbed to about 2.95%, a level last seen in 1996. Its 30-year yield is near 4%. Inflation and heavy government spending have pushed Japanese rates up, and the Bank of Japan is expected to raise rates again as soon as September.
When a Japanese insurance company can earn a decent return at home, the reason to hold American bonds gets weaker. Currency hedging costs make it weaker still. Those hedges can eat 3 to 4 percentage points of yield, which can wipe out the entire advantage of owning a Treasury.
Japan is also caught in a vise of its own.
No major economy owes more relative to its size. Japan’s gross government debt runs above 230% of its annual economic output, roughly twice the American figure. Its finance ministry projects general government debt at 204.4% of GDP this year, and 134.3% after subtracting the financial assets the government holds.
For decades that was manageable, because Japan borrowed at almost no cost. That era is over.
Japan’s fiscal 2026 budget totals ¥122.3 trillion, a record. Debt servicing alone rose 10.8% to ¥31.3 trillion, the first time it has topped ¥30 trillion and the sixth consecutive record high. Social security and interest payments together now consume close to 60% of all Japanese government spending.
Put simply, rising interest rates are eating Japan’s budget from the inside. Prime Minister Sanae Takaichi has also proposed cutting the consumption tax on food without saying how she would replace the revenue, which has unsettled bond investors further.
A country with that little room has fewer good options. That is the condition that makes the money parked in American bonds start to look like something Japan may need at home.
The yen is the pressure point. It fell to about 163.7 per dollar in late July, near a four-decade low, before Japan and the United States intervened together to prop it up. That was the first joint operation of its kind since 1998.
Japan spent an estimated $36.6 billion on the joint day, after spending as much as $59 billion on its own the day before. The yen has since drifted back to around 159, close to the 160 level that officials treat as a line in the sand.
Here is the part that connects directly to American mortgage rates.
When Japan defends its currency, it needs dollars. The most obvious place to get dollars in that quantity is by selling U.S. Treasury bonds. Large sales would push American yields higher at exactly the wrong moment.
That is widely understood to be why Washington joined the intervention rather than watching from the sideline. Treasury Secretary Scott Bessent has also pushed to expand a Federal Reserve facility that lets foreign central banks raise dollars against their Treasury holdings without selling them.
In plain terms, the United States helped defend the yen partly to protect its own interest rates.
The slower risk is arguably the bigger one. Japanese private investors do not need to dump anything. They can simply stop reinvesting when their bonds mature and bring the money home.
There are early signs of that. Foreign official institutions have been net sellers of Treasuries for four years, and their share of the market has fallen to a 30-year low of about 13%, according to Atlantic Council data. Japanese life insurers sold foreign long-term bonds in December, and March brought one of the largest repatriation inflows on record.
If that patient money keeps leaving, the buyers who replace it are hedge funds and other price-sensitive investors. They demand higher yields and they leave faster when conditions turn.
It is worth being careful here, though, because this has been predicted before and did not happen.
In 2016 through 2018, Japanese yields rose and analysts widely forecast a wave of repatriation. Instead, Japanese institutions added roughly $150 billion to their Treasury holdings. Insurers and pension funds move on multi-year timelines and have decades of habit behind them.
Japan’s total position also equals only about 4% of the overall marketable Treasury market. A disorderly Japanese selloff would be a serious problem. It is not the same as Japan quietly buying a little less each year, which is what the data currently shows.
The honest framing is that the risk is real, it is slow, and it is building. Reuters reported this week that Japan is running short of options for managing its own bond market. That is the condition to watch.
Prices did not come down. They just stopped climbing as fast
Politicians in both parties like to quote the year-over-year inflation rate. In July it was 3.4%, down from 3.5% in June. That sounds like improvement.
It is worth understanding what that number does and does not say. A falling inflation rate does not mean falling prices. It means prices are still going up, only more slowly.
Nothing rolled back. The increases of 2021 and 2022 became the new floor, and every year since has been stacked on top of it.
Measured that way, the picture looks different. Overall consumer prices are up about 25% since January 2020, according to Consumer Price Index data. In the five years before the pandemic, the total increase was around 10%.
Groceries are worse. The federal food-at-home index is up roughly a third since January 2020. Housing costs are up more than 25% over the same stretch.
Peak grocery inflation hit 11.4% in August 2022, the highest reading since 1979. It has since cooled to about 3%. But cooling only slows the climb, and food prices have not returned to where they were.
Wages have not kept pace lately. Average hourly earnings were running at 3.2% in the most recent federal jobs report while prices rose 3.4%. That gap has run against workers for four straight months.
Tariffs, a war and a refund most people will not see
Two things drove prices higher over the past 18 months in ways households felt directly.
The first was tariffs. Studies of how import taxes move through the economy, including work by the Federal Reserve Bank of New York, found most of the cost reaches the buyer. The Tax Foundation estimated the 2025 tariffs cost the average American household roughly $1,000.
The second was the war with Iran, which began Feb. 28. Energy prices jumped 10.9% in a single month in March, the largest monthly increase since 2005. Gasoline is still 24.6% higher than a year ago and oil is up roughly 50% this year.
Then the tariffs were struck down. On Feb. 20, the U.S. Supreme Court ruled 6-3 that the president lacked authority to impose them under the emergency powers law he used. Collection stopped four days later.
That opened the door to refunds, and the refunds are large. Customs and Border Protection had collected about $133 billion under that authority. Court filings this month indicate more than $100 billion has already gone back out.
All of it is going to businesses. Customs can legally refund only the importer of record, meaning the company that filed the paperwork at the port. Consumers who paid the higher shelf prices have no claim.
Justice Brett Kavanaugh flagged the problem in his dissent, noting the government may have to refund billions to importers who had already passed the costs along to somebody else.
Some companies are choosing to pass money back anyway. FedEx, UPS and DHL have said they will return refunds to shippers and customers, and Amazon said it will refund customers in cases it can trace. Others are keeping the money or applying it toward future duties.
Economists at Goldman Sachs told clients they do not expect companies to cut prices as quickly as they raised them.
Not every tariff went away, either. The ruling covered only one category. Other import taxes remain, and a temporary 15% tariff was imposed under separate authority.
The local bill: schools, homes and boats
The clearest place higher rates land in Baxter County is public borrowing.
Mountain Home School District currently levies 32.16 mills, including 6.87 mills for debt service on money already borrowed. The board has discussed returning to voters with a scaled-back high school proposal after two previous millage attempts failed.
Rates change that math. A district borrowing tens of millions of dollars over 30 years pays substantially more in interest today than it would have in 2021, and that difference has to come from somewhere. Nationally, cities and school districts are on pace to issue a record amount of debt this year, near $600 billion, which means local borrowers are competing for the same pool of investors.
The city carries debt too. Mountain Home’s park improvement sales tax covers a bond payment of $214,624.95 a month in 2026, with collections running comfortably above that.
Housing is the second channel. The average 30-year mortgage is running near 6.7%, close to a one-year high, after dipping to 6.09% earlier this year.
That matters less for people already in their homes. About 75% of Baxter County households own, well above the national rate of 65%, and most are locked into older fixed rates. It matters a great deal for anyone buying, moving or borrowing against a home.
The third channel is jobs. The Twin Lakes area builds boats, and boats are financed purchases.
The Observer reported in 2023 that Bass Pro Shops cited high interest rates on boat loans when it moved Triton production out of Midway. In April 2024, Ranger Boats cut 70 jobs in Flippin as part of 176 layoffs across the company’s marine plants. When borrowing stays expensive, orders slow, and this region feels it on the production floor.
A county of retirees, on both sides of the ledger
About 31% of Baxter County residents are 65 or older. Nationally the figure is 18%. That makes this an unusual place to measure the effects of high rates and stubborn prices, because retirees sit on both sides of the trade.
On one side, higher interest rates are good for savers. Certificates of deposit, Treasury bonds and money market accounts pay more than they have in years. In a county with this many people living off savings, that is a real and underdiscussed benefit.
On the other side is the squeeze. Social Security recipients do not get raises when prices rise. They get a cost-of-living adjustment that arrives a year later.
This year’s adjustment was 2.8%, while inflation ran above that from March onward. Estimates for next year’s adjustment currently run between 3.5% and 3.6%, with the official figure due Oct. 14. Medicare premiums are expected to rise as well, and those come out of the check first.
The Senior Citizens League estimates the average Social Security benefit has lost about 13.7% of its buying power since 2010.
Local income data underlines the point. Baxter County households headed by someone 65 or older have a median income around $34,900.
What the sales tax numbers really show
Mountain Home’s sales tax collections have been posting steady gains all year, running roughly 4% to 5% ahead of 2025. The city set an all-time record of $7,156,882.24 last year and budgeted $7 million for 2026. County collections were up 6.6% through the first quarter.
Those are real gains, and the city is on pace to beat both the budget and the record.
But with inflation at 3.4%, a large share of that growth is higher prices rather than more goods sold. Sales tax revenue rises when a gallon of gas costs more, even if nobody buys another gallon. It is worth keeping that in mind when the monthly reports come out.
A new question about retirement accounts
One more federal change is worth watching in a county this old.
In August 2025, President Donald Trump signed an executive order directing regulators to make it easier for 401(k) plans to hold what are called alternative assets. That includes private equity, private credit, real estate and cryptocurrency.
In March, the Labor Department proposed a rule to carry it out. The rule is still proposed, not final, and the public comment period closed June 1.
The practical effect would be to open trillions of dollars in retirement savings as a funding source for private investment funds. Most of that money would flow through a vehicle called a collective investment trust, which by law must be maintained by a bank and is overseen by banking regulators rather than the Securities and Exchange Commission.
Those trusts now hold about 42% of all workplace retirement plan assets, up from 23% a decade ago.
Supporters, including Labor Secretary Lori Chavez-DeRemer and Treasury Secretary Scott Bessent, argue the change gives ordinary workers access to investments that public pension funds have used for years. Nearly all state and local pension plans already hold them.
Critics, including Rep. Bobby Scott and Sen. Elizabeth Warren, say the assets are riskier, costlier and harder to sell quickly. Rep. Richard Neal has asked the Government Accountability Office to examine how much private credit is already sitting in 401(k) plans and what it costs savers.
The liquidity question is the one that matters most for anyone near retirement. Private investments cannot always be sold on short notice.
What to watch
Four dates shape the next two months.
The August inflation report comes out Sept. 11. The Federal Reserve meets Sept. 16, with policymakers divided over whether to raise rates. The Bank of Japan also meets in September, and a rate increase there would make Japanese bonds more attractive than American ones for the investors who have been financing a share of the U.S. deficit.
Watch the yen as well. If it pushes back through 160, another round of intervention becomes likely, and intervention is what puts pressure on Japan to sell American bonds.
Then on Oct. 14, the Social Security Administration announces next year’s cost-of-living adjustment.
None of those decisions will be made in Mountain Home. All of them will be felt here.
