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History·26 April 2026·5 min read

The pengő — the worst inflation in human history

In 1946, in Hungary, prices doubled every 15 hours. The all-time record, unbeaten to this day.

The pengő — the worst inflation in human history
Image: domeniu public · Wikimedia Commons

After World War II, Hungary experienced the fastest known hyperinflation. The currency, the pengő, devalued so fast that prices doubled almost twice a day.

Quintillion banknotes

The largest banknote in history by face value was issued. In the end, money was swept off the streets. Hungary had to introduce a completely new currency, the forint, in 1946.

The world inflation record is no glory — it's a warning written with a quintillion zeros.