Should record federal debt change the way Americans think about diversification and long-term wealth preservation?
The US national debt has crossed USD 40 trillion.
The number is extraordinary, but for investors, the headline itself is less useful than the questions behind it.
What could persistent government borrowing mean for interest rates, inflation, the US dollar, taxation, and financial markets over the next decade?
And should Americans whose income, businesses, property, investments, and retirement assets are already heavily concentrated in the United States think more deliberately about international diversification?
Crossing USD 40 T does not mean a US debt crisis is inevitable, nor does it provide a reason to abandon American investments. The United States remains home to many of the world’s most important companies, deepest capital markets, and most innovative businesses.
But from our perspective as a Swiss-based independent wealth manager serving American clients, it reinforces the value of asking a simple question:
How much of your financial life should depend on a single country, currency, and financial system?
The US government’s debt has accumulated over decades under administrations and Congresses of both political parties.
Large fiscal deficits, pandemic spending, tax and spending policies, demographic pressures, Social Security and Medicare obligations, defense spending, and rising interest costs have all contributed.
What makes the current milestone particularly notable is the speed of accumulation. The debt reached USD 34 T in early 2024, USD 35 T later that year, USD 36 T in November 2024, and USD 37 T in August 2025. It has now crossed USD 40 T.
For investors, however, the absolute number should not be viewed in isolation. The size of the economy, federal revenues and expenditures, interest costs, maturity structure, economic growth, and demand for US Treasury securities all matter when assessing fiscal sustainability.
Debt has a price.
When interest rates were exceptionally low, the federal government could carry increasing amounts of debt at relatively modest financing costs. Higher borrowing costs change that equation as existing securities mature and new debt is issued.
That can make interest expense an increasingly significant part of the federal budget.
For investors, this matters because government borrowing does not exist separately from financial markets. Treasury yields influence borrowing costs throughout the economy, including mortgages, corporate debt, lending, and asset valuations.
There is no straight line from higher government debt to higher interest rates. Monetary policy, inflation, economic growth, global demand for Treasuries, and risk sentiment all play important roles.
But the cost of servicing USD 40 T is an important factor to monitor.
Not necessarily.
The dollar remains the world’s principal reserve currency and plays a central role in global trade, financial markets, and international reserves. US Treasury securities remain fundamental to the global financial system.
Those are substantial structural advantages.
But reserve-currency status does not mean investors should ignore currency concentration.
Many wealthy Americans earn in dollars, own US businesses and real estate, hold predominantly US securities, maintain dollar bank accounts, and ultimately expect much of their retirement income in dollars.
Their exposure to the United States can therefore be considerably greater than the percentage of US stocks shown on an investment statement.
That is a form of home bias worth understanding.
That conclusion would go too far.
International diversification should not be based on a prediction that the United States will decline or that another country will outperform it.
America’s capital markets, entrepreneurial culture, universities, technology sector, labor market, and ability to attract global capital remain important economic strengths.
The objective is not to replace one concentration with another.
Instead, a globally diversified portfolio can consider opportunities across different countries, currencies, sectors, and economic cycles.
For a US investor, that may mean asking whether a portfolio accumulated during decades of exceptional American market performance has gradually become more domestically concentrated than originally intended.
Investment diversification and currency diversification are related, but they are not identical.
An American can own shares in a multinational company and still have substantial US-dollar exposure. Conversely, international securities can introduce foreign-currency exposure alongside exposure to different economies and markets.
For internationally active families, currency considerations may extend beyond the investment portfolio.
They may own homes abroad, educate children overseas, travel extensively, maintain international businesses, or expect future expenses in Swiss francs, euros, sterling, or other currencies.
Rather than attempting to forecast the next move in the dollar, we generally view currency through the broader lens of assets, liabilities, income, future spending, and liquidity.
The relevant question is not simply whether the dollar will rise or fall.
It is whether one currency should carry almost all of the family’s financial exposure.
It is impossible to know what future Congresses and administrations will decide.
Nevertheless, persistent deficits and growing interest costs are likely to keep taxation and government spending in the policy debate.
For wealthy families, that makes long-term planning relevant even when no immediate change is contemplated.
Future policy could affect income, capital gains, estates, businesses, retirement assets, or other areas of personal finance. Equally, lawmakers may choose spending reductions, entitlement reforms, economic-growth measures, or combinations of different approaches.
An investment strategy should not be constructed around guessing the outcome of future elections.
But families with substantial wealth can reasonably stress-test their plans against several possible fiscal and tax environments rather than assuming today’s rules will remain unchanged indefinitely.
Buying a few foreign stocks does not necessarily make a family’s wealth internationally diversified.
We generally look at diversification across several dimensions:
These distinctions become particularly relevant for entrepreneurs and executives whose businesses, compensation, real estate, retirement accounts, and investment portfolios may all originate in the United States.
Switzerland can offer a different approach from simply buying more international securities through a US brokerage account.
It can provide access to an established international wealth-management center with multi-currency banking, global custody, international portfolio management, and experience serving families whose financial lives span several jurisdictions.
For an American investor, a Swiss wealth-management relationship does not need to replace existing US relationships.
It can complement them.
An American family may continue working with its US attorneys, accountants, banks, financial professionals, and family office while maintaining part of its internationally diversified wealth with an appropriately regulated Swiss financial institution.
For US clients, it is important to work with a Swiss investment adviser appropriately authorized and registered, where required, to serve US clients.
That framing misses the point.
Diversification is not a referendum on the United States.
An American investor can remain strongly invested in US companies while also holding international equities, bonds, currencies, private-market investments, or other assets where appropriate.
Likewise, establishing a Swiss banking or investment relationship does not require leaving the United States, changing citizenship, or becoming a Swiss resident.
The purpose is broader.
For families that have successfully created wealth in America, international diversification can be considered as part of the transition from wealth creation to wealth preservation.
The questions naturally change as wealth grows. Rather than concentrating exclusively on where the next return will come from, greater attention may be given to resilience, liquidity, custody, currency exposure, succession, and preserving purchasing power across generations.
Yes, and this may be a more useful scenario to consider.
Fiscal challenges do not need to culminate in a dramatic crisis to influence investment conditions.
Persistent government borrowing can interact with bond yields, inflation expectations, monetary policy, taxation, economic growth, and currency markets over many years.
Those effects may emerge gradually and unevenly.
This is why we would not regard USD 40 T as a signal to make a sudden portfolio change.
It is better understood as another reason to examine whether a family’s wealth is sufficiently diversified to navigate a range of economic outcomes including scenarios in which the United States continues to prosper but does so against a backdrop of greater fiscal constraints.
No such conclusion can be drawn from the debt figure alone. The sustainability of government debt depends on economic growth, interest rates, federal revenues and expenditures, investor demand, inflation, and many other factors. The USD 40 T milestone does, however, highlight the scale of the long-term fiscal challenge.
Not necessarily. International diversification should generally be evaluated within the context of the investor’s objectives, circumstances, risk tolerance, and existing exposures rather than in response to a single headline or economic forecast.
Some American investors may use Swiss wealth-management relationships as part of broader international diversification involving investments, currencies, custody, and banking relationships. Americans should work with financial institutions and investment advisers appropriately able to serve US clients.
No. US citizens and residents remain subject to applicable US tax and reporting requirements. International investing should be coordinated with appropriately qualified US tax and legal professionals.
The most useful response to USD 40 T of US national debt is neither panic nor complacency.
America continues to offer extraordinary investment opportunities. The dollar remains central to the global financial system, and US capital markets retain advantages that should not be dismissed because the federal debt has crossed another milestone.
At the same time, American investors can become highly concentrated without realizing it.
Their custody, income, and future financial claims may all ultimately depend on the same country and currency.
That concentration may have worked may have benefited investors during periods of strong US economic and market performance.
The wealth-preservation phase invites a different question.
Not whether to bet against America, but whether all of your wealth needs to bet on America alone.
For some families, international investments, multiple currencies, diversified custody, and an additional wealth-management relationship in Switzerland may form part of that broader discussion depending on their circumstances and objectives.
For American clients in the United States and abroad, Alpen Partners International is registered with the US Securities and Exchange Commission as an Investment Adviser. The firm provides portfolio management, Swiss banking relationships, international investment diversification, multi-currency strategies, liquidity planning, family office services, and cross-border wealth planning within applicable regulatory frameworks.
Alpen works alongside clients’ US and international tax, legal, estate-planning, and other professional advisers where appropriate.
Source: https://edition.cnn.com/2026/08/19/economy/national-debt-hits-40-T-dollars-vis
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