Why the Dollar Loses Value Over Time and How to Stay Ahead of It

A dollar from 2000 has the purchasing power of about 53 cents in 2026. A dollar from 1971, when the US abandoned the gold standard, is worth less than 15 cents today. A dollar from 1913, when the Federal Reserve was created, is worth about 3 cents. The dollar has lost approximately 97% of its purchasing power over the last 113 years.

This is not a conspiracy. It is not a failure of the government (entirely). It is the designed behavior of a fiat currency system with a central bank that targets positive inflation. The Federal Reserve explicitly aims for 2% annual inflation, which means they explicitly aim for the dollar to lose about half its value every 35 years.

Understanding why the dollar loses value, how fast it is losing it, and what you can do about it is one of the most important financial concepts to grasp. Cash is not safe. Cash is one of the riskiest assets over long time horizons, precisely because of its predictable, steady loss of purchasing power.

Why the Dollar Loses Value

The dollar loses value through inflation: the general rise in prices over time. Three main forces drive this:

Monetary policy. The Federal Reserve controls the money supply and sets interest rates. When the Fed wants to stimulate the economy, it lowers rates and increases the money supply. More dollars chasing the same goods means each dollar is worth less. The Fed explicitly targets 2% annual inflation, which means they deliberately engineer a slow loss of purchasing power. For more on this mechanism, see our inflation glossary term.

Fiscal policy and debt. When the government spends more than it collects in taxes, it borrows the difference by issuing Treasury bonds. The national debt exceeds $36 trillion in 2026. Large deficits put upward pressure on inflation because they inject money into the economy without a corresponding increase in goods and services. The NBER research on post-COVID inflation documented how fiscal transfers of $3.1 trillion in 2020 and $2.7 trillion in 2021 directly caused the inflation spike of 2021 to 2022.

Supply and demand dynamics. Energy prices, supply chain disruptions, and geopolitical events can cause sudden price increases. The 1970s inflation was driven by two OPEC oil embargoes (1973 and 1979) that sent energy prices soaring. Inflation peaked at 13.5% in 1980 before Paul Volcker's aggressive rate hikes broke the cycle. The 2021 to 2022 inflation spike was driven by a combination of fiscal stimulus, supply chain disruptions, and energy price increases.

How Fast the Dollar Is Losing Value

The Bureau of Labor Statistics tracks purchasing power through the Consumer Price Index (CPI). Here is how much value the dollar has lost over different periods:

The 2020 to 2026 number is particularly striking. Prices have risen 28% since January 2020, meaning a dollar buys about 22% less today than it did just six years ago. This is not a historical abstraction. This is your grocery bill, your rent, your insurance premiums, and your utility bills all being roughly 28% higher than they were in 2020.

As of March 2026, the CPI sat at 330.2, with year-over-year inflation at 3.26%. The Fed's 2% target remains unmet. Core PCE, the Fed's preferred inflation measure, was running at approximately 3.1% year over year. For more on how interest rates interact with inflation, see our interest rate glossary term.

What This Means for Your Savings

Cash is the default investment for most Americans. The median savings account balance is approximately $8,000. In a high-yield savings account paying 4% interest, $8,000 grows to $8,320 in one year. But if inflation is 3.3%, the real return is only 0.7%, or $56 in real terms. Over 10 years at that rate, the real value of $8,000 falls to approximately $5,870 in today's dollars.

The pattern is clear: cash and low-yield savings lose purchasing power over time. Even high-yield savings barely outpace inflation. Stocks, despite their volatility, are the only mainstream asset class that consistently beats inflation by a meaningful margin over long periods.

How to Stay Ahead of Dollar Devaluation

Invest in stocks

The S&P 500 has returned approximately 10% annually (nominal) over the long run, or about 7% real (after inflation). Companies can raise prices when their costs go up, which means their earnings and dividends tend to grow with or above inflation. This is why stocks are the best long-term hedge against dollar devaluation.

A $10,000 investment in the S&P 500 in 2000, with dividends reinvested, would be worth approximately $65,000 in 2026. The same $10,000 in cash would be worth about $5,250 in real purchasing power. The difference is not a rounding error. It is the difference between funding a retirement and not funding one.

For a simple approach, read our guide on the three-fund portfolio. For why broad index exposure works, see S&P 500 index fund explained.

Invest in real estate

Real estate tends to appreciate with inflation because property values and rents rise when the dollar loses value. A 30-year fixed-rate mortgage is also one of the best inflation hedges available: you lock in a fixed dollar amount of debt while inflation erodes the real value of that debt. Your mortgage payment stays the same in nominal dollars while your income (hopefully) rises with inflation.

A homeowner who bought a $300,000 house with a 30-year fixed mortgage at 3% in 2021 has a monthly payment of about $1,265. By 2026, inflation has eroded the real value of that payment by about 15%. The house, meanwhile, has likely appreciated. This is why real estate investors love inflation: it erodes their debt while inflating their asset values.

Invest in Treasury Inflation-Protected Securities (TIPS)

TIPS are government bonds whose principal adjusts with inflation. If CPI rises 3%, the principal value of your TIPS rises 3%. You earn a fixed real yield on top of that adjustment. As of July 2026, 10-year TIPS yield approximately 2.43% real. This means you are guaranteed to outpace inflation by 2.43% per year, backed by the US government.

TIPS do not offer the upside of stocks, but they provide a guaranteed real return. They are useful for the bond portion of a portfolio, especially for investors nearing retirement who cannot afford stock market volatility. For more on government bonds, see our government bond glossary term.

Avoid long-term cash holdings

Cash is necessary for short-term needs: emergency funds, upcoming purchases, and living expenses. But holding large cash balances for years is a guaranteed way to lose purchasing power. The median household holds approximately $8,000 in checking and savings. Anything beyond your 3 to 6 month emergency fund should be invested.

For help building an emergency fund first, read our guide on how to build an emergency fund.

Real-World Examples

Example 1: The saver who lost half their purchasing power

In January 2020, an investor had $50,000 in a savings account earning 0.5% interest. They felt safe. Over the next 6 years, cumulative inflation reached approximately 28%. Their $50,000 grew to about $51,500 with interest. But the purchasing power of that $51,500 in 2026 dollars is only about $40,200 in 2020 dollars.

They lost approximately $9,800 in real purchasing power by holding cash. A $50,000 investment in the S&P 500 in January 2020 would have grown to approximately $95,000 by mid-2026, or about $74,000 in 2020 dollars. The difference between cash and stocks: approximately $33,800 in real wealth, lost to the silent tax of inflation.

Example 2: The homeowner whose mortgage melted away

In 2015, a homeowner bought a $250,000 house with a 30-year fixed mortgage at 3.8%. Their monthly principal and interest payment was $1,164. At the time, their household income was $75,000, so the mortgage payment consumed about 18.6% of gross income.

By 2026, cumulative inflation since 2015 reached approximately 38%. If their income kept pace with inflation (which is a big if, but many careers do see wage growth over decade-plus periods), their household income rose to approximately $103,500. The mortgage payment is still $1,164, now consuming only about 13.5% of gross income. Inflation eroded the real cost of their debt by about 28%.

Meanwhile, the house itself appreciated. The Case-Shiller National Home Price Index shows home prices approximately doubled since 2015. Their $250,000 house is worth roughly $500,000. They gained $250,000 in nominal equity while their debt shrank in real terms.

This is why fixed-rate debt is an inflation hedge. You owe a fixed number of dollars. Inflation makes those dollars worth less. The lender absorbs the loss.

Common Mistakes

Treating cash as "safe." Cash is safe from market volatility but not from inflation. Over 10 years at 3% inflation, cash loses 26% of its purchasing power. Over 30 years, it loses 60%. Cash is a short-term parking place, not a long-term investment.

Waiting for inflation to "calm down" before investing. Inflation never calms down to zero for sustained periods. The Fed targets 2%, which is still a slow erosion. Waiting means more purchasing power lost while you wait. The best time to invest was 20 years ago. The second best time is now.

Ignoring the difference between nominal and real returns. A 4% high-yield savings account sounds good until you subtract 3.3% inflation and realize your real return is 0.7%. Always think in real terms. A 10% nominal stock return with 3% inflation is a 7% real return. That 7% is what actually grows your purchasing power.

Assuming your salary will automatically keep up with inflation. Many salaries do not. Real median wage growth has averaged about 0.5% per year over the last two decades. If your salary is not growing at least as fast as inflation, you are getting a pay cut every year in real terms. Investing is how you make up the difference.

Conclusion

The dollar loses value because the system is designed that way. The Fed targets 2% inflation, which means they target a 2% annual loss of purchasing power. Over 35 years, that cuts the dollar's value in half. Over a lifetime, it cuts it by 75% or more.

You cannot opt out of this system. You can only choose how to hold your wealth within it. Cash loses. Bonds barely keep up. Stocks and real estate outpace inflation over long periods because their values rise with (or ahead of) prices.

The simplest defense: invest in a diversified portfolio of low-cost index funds, hold real estate if it makes sense for your situation, keep only what you need for emergencies in cash, and let inflation work against your debt rather than against your savings.

Start with our three-fund portfolio guide, or use our investment return calculator to see how compounding fights inflation over time.

This post is for informational purposes only and does not constitute financial advice. Investing involves risk, including the potential loss of principal. Past performance does not guarantee future results.