US National Debt: A Growing National Security Threat

US National Debt Escalates to National Security Concern

The United States’ burgeoning national debt, projected to reach a staggering $56 trillion by 2036, is transitioning from an economic and fiscal challenge to a significant national security risk. A recent report highlights that this escalating debt may compromise Congress’s ability to fully support national security strategies and meet the security requirements of allies, as debt management could increasingly dictate national priorities.

The Mechanics of National Debt

The U.S. government operates on a model of collecting tax dollars and then spending them, often exceeding revenue. For instance, in 2026, the government is projected to collect approximately $5 trillion in taxes but plans to spend around $7 trillion. The $2 trillion deficit must be financed through borrowing from domestic individuals and institutions, as well as foreign governments. If insufficient funds are raised through these channels, the Federal Reserve may step in to print money and lend it to the Treasury.

Each year’s deficit adds to the national debt, which, like personal debt, accrues interest. Historically, the U.S. benefited from near-zero interest rates, making debt accumulation less burdensome. However, the post-pandemic surge in inflation prompted the Federal Reserve to raise interest rates significantly in 2022. This shift has dramatically increased the cost of servicing the national debt.

Skyrocketing Interest Payments

The government’s debt structure, which increasingly relies on shorter-term loans, now requires frequent refinancing at higher prevailing interest rates. Consequently, interest payments have become the fastest-growing government expense. Between 2020 and 2025, annual interest costs are estimated to have nearly tripled, soaring from approximately $345 billion to nearly $1 trillion. This trend means a larger portion of taxpayer money is diverted to paying off past expenses rather than funding current services or future investments.

The ‘Ferguson Limit’ and Historical Parallels

The escalating interest burden raises concerns about a phenomenon known as the ‘Ferguson Limit,’ which posits that a great power ceases to be dominant when its spending on debt interest surpasses its spending on defense. Historical examples, such as the Ottoman Empire and Britain after World War I, illustrate how nations facing similar fiscal pressures experienced decline. Prominent figures like Ray Dalio have also warned about the potential economic harm stemming from over-reliance on debt and monetary dilution.

Challenges in Addressing the Debt

Reducing the national debt faces considerable hurdles. Potential solutions like cutting government spending or increasing revenue through higher taxes are politically challenging due to their short-term negative economic impacts. Reduced spending could lead to job losses and decreased economic activity, while tax increases can stifle growth and face resistance. Furthermore, a growing segment of the population has become reliant on government spending, making significant cuts difficult to implement.

Attempts to solely increase taxes on higher earners are also complicated by the ability of wealthy individuals to utilize sophisticated tax planning strategies. This creates a cycle where the government must continue spending, faces pressure not to raise taxes significantly, and consequently sees its interest payments grow.

Geopolitical Implications of Debt Holdings

The international ownership of U.S. debt adds another layer of complexity. Japan, the United Kingdom, and China are among the largest foreign holders of U.S. debt. While China has reduced its holdings in recent years, any significant divestment by major holders could increase borrowing costs for the U.S. government. A decrease in demand for U.S. debt would necessitate higher interest rates to attract new lenders, thereby increasing the cost of servicing the debt further. This dynamic can make the U.S. economy more vulnerable to the actions of foreign creditors.

Credit Rating Downgrades and Market Volatility

The growing national debt and shrinking tax revenue have already led to credit rating downgrades. Standard & Poor’s (S&P) downgraded U.S. debt in 2011, followed by Fitch in 2023 and Moody’s in 2025, citing the increasing fiscal burden. Recent tax policies, such as the ‘one big beautiful bill act,’ are projected by the Congressional Budget Office to reduce tax revenue, potentially exacerbating the deficit even as government spending remains high.

These fiscal concerns are contributing to market volatility, a rise in gold prices, and a trend of investors diversifying assets into foreign economies. The situation underscores a growing unease about the long-term stability of the U.S. economy.

Market Impact and Investor Considerations

The escalating national debt and its potential implications for national security and economic stability are critical factors for investors to monitor. While the debt’s impact may not be immediate, its long-term trajectory suggests a potential for increased inflation, higher interest rates, and greater market volatility. Investors seeking to navigate this environment may consider diversifying their portfolios, exploring assets that traditionally perform well during periods of economic uncertainty, and staying informed about fiscal policy developments.

In a notable development, the Treasury Department announced on February 5, 2026, that the Federal Reserve had injected $90 billion to stabilize markets, with no immediate plans to cease such interventions. This action indicates the government’s ongoing efforts to manage market conditions amidst underlying fiscal pressures.

Source: America's $38 Trillion Debt Is Now a National Security Risk (YouTube)