Glossary · Federal Reserve

Hyperinflation

Hyperinflation is an extremely rapid and out-of-control increase in the general price level, often exceeding 50% per month.

What it is

Hyperinflation is a severe and rare form of inflation where prices rise at an extraordinary rate, making money quickly lose its value. It typically results from a government printing large amounts of money to finance its spending, often due to a severe budget deficit, without a corresponding increase in economic output. This excessive money supply floods the economy, eroding public confidence in the currency and leading people to spend money immediately before it loses more value.

In markets, hyperinflation causes extreme volatility and uncertainty, leading people to abandon the local currency in favor of stable foreign currencies, commodities like gold, or even bartering. Central banks struggle to regain control once hyperinflation takes hold, as conventional monetary policy tools become ineffective. Historical examples, such as Weimar Germany or Zimbabwe, demonstrate how it devastates savings, economic stability, and the purchasing power of citizens.

Why it matters

Hyperinflation destroys savings and investment value, making it impossible to plan for the future. It forces a flight to tangible assets or stable foreign currencies.

Reviewed under editorial standardsUpdated September 26, 2026Not investment advice