Glossary · Economic ideas
Paradox of thrift
The paradox of thrift: if everyone tries to save more at the same time, spending falls, incomes fall, and the total amount saved may not rise at all.
Also called: paradox of saving, Keynes’s paradox of thrift, thrift paradox
Share of after-tax income saved, Sep 2026. Average since 1959: 8.4%.
In plain words
When one family cuts back and saves more, it gets richer: smart. But your spending is someone else’s income. If every family cuts back at once, shops sell less, they cut jobs and hours, people earn less, and they can’t save as much as they hoped. What is wise for one can backfire for all. That is the paradox of thrift.
It is a classic case of what logicians call the fallacy of composition: what is true for one part is not always true for the whole. One person standing up at a concert sees better; if everyone stands, nobody does.
John Maynard Keynes made the idea famous in the 1930s, when it helped explain why the Great Depression was so deep: frightened households and firms all cut their spending at once.
Example
An island economy of two
Ana runs a bakery and Ben runs a bike shop on a small island.
- Each earns $1,000 a month: $900 from the other’s spending and $100 from tourists. Each spends $900 in the other’s shop and saves $100.
- Worried about the future, both decide to save $300 a month, so each spends only $700 in the other’s shop.
- Now each earns $700 + $100 = $800. Spending $700, each saves… $100, the same as before.
- Both tried to save more, and both ended up with lower incomes and no extra savings.
Saving is still good for each family. The paradox is only about everyone doing it at the same moment, which usually happens in a recession.
One level deeper
In a whole economy, what is saved has to be borrowed and spent by someone else, usually a business building something new. If households save more but businesses, worried by falling sales, invest less, the extra saving has nowhere to go, and output and incomes shrink until saving falls back.
The paradox matters most in a recession, when everyone turns cautious at once. It is one reason governments and central banks try to support spending in downturns, through lower interest rates or fiscal policy. In normal times, more saving pays for more investment and helps growth.
The US saving rate shows how households pull back in frightening times. It jumped to a record 31.8% in Apr 2020, when lockdowns closed shops and relief checks arrived. In Sep 2026 it was 3.8%.
The US saving rate since 1959
The share of after-tax income that American households save, month by month. It often rises in recessions, as people turn cautious, and it spiked in 2020.
The numbers behind the chart
| Date | Personal saving rate |
|---|---|
| Jan 1959 | 11.3% |
| Dec 1960 | 10.4% |
| Dec 1970 | 13.2% |
| Dec 1980 | 11.4% |
| Dec 1990 | 8.8% |
| Dec 2000 | 4.1% |
| Dec 2010 | 6.2% |
| Dec 2020 | 11.8% |
| Dec 2022 | 4.4% |
| Dec 2023 | 6.6% |
| Dec 2024 | 5.1% |
| Dec 2025 | 5.0% |
| Sep 2026 | 3.8% |
Why it matters
It explains how recessions can feed on themselves: fear makes people spend less, which costs jobs, which makes people more afraid.
It is behind the argument for supporting spending in a downturn, one of the most debated questions in economics.
It shows that what is good for one household is not always good for the economy as a whole, and the other way round.
A common mistake
Myth: Saving is always good for the economy.
In fact: Saving pays for the investment that makes economies grow, so in the long run it helps. In a slump, though, a sudden rush to save cuts spending and incomes, and can leave everyone poorer without raising total savings.
Questions people ask
Who came up with the paradox of thrift?
John Maynard Keynes made it famous in The General Theory (1936), though the idea appears earlier, for example in Bernard Mandeville’s The Fable of the Bees (1714).
Is the paradox of thrift true?
It holds when an economy has idle workers and factories and interest rates can’t fall any further, as in a deep recession. When the economy is running near full capacity, extra saving is borrowed and invested, and the paradox fades. Economists debate how often the first case applies.
What is the US saving rate now?
3.8% of after-tax income in Sep 2026, against an average of 8.4% since 1959. The record was 31.8%, in Apr 2020.
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About the numbers
- The numbers on this page are recalculated from the data every night; the sources are listed at the end of the page.
- US recessions (NBER business cycle dates): National Bureau of Economic Research (NBER), Business Cycle Dating Committee: US Business Cycle Expansions and Contractions.
- Personal saving rate: U.S. Bureau of Economic Analysis, National Income and Product Accounts, series PSAVERT; retrieved from FRED, Federal Reserve Bank of St. Louis.
- This page explains a term. It is not investment advice.