Gross Domestic Product: Implicit Price Deflator (GDPDEF)
Gross Domestic Product: Implicit Price Deflator — Historical Chart
Free accounts unlock full history back to 1947, plus 260+ indicators, charts, and alerts.
Sign Up FreeUnderstanding Gross Domestic Product: Implicit Price Deflator
Gross Domestic Product: Implicit Price Deflator (FRED series GDPDEF) is a quarterly economic indicator measured in index 2017=100. The series is published through FRED, the Federal Reserve Bank of St. Louis economic database, with history going back to 1947. Values are seasonally adjusted, smoothing out predictable calendar effects so that underlying trends are easier to see.
Why it matters: Gross Domestic Product: Implicit Price Deflator is one of the indicators traders, economists, and policymakers watch within the economic complex. Analysts use it to track conditions in the US economy and to anticipate shifts in growth, inflation, and policy.
How to read it: focus on the direction and persistence of changes rather than any single quarterly print. Comparing the latest value against its level a year ago, and against its long-run range since 1947, gives a better sense of whether the series is signaling acceleration, deceleration, or a turning point.
About This Series
BEA Account Code: A191RD The number of decimal places reported varies over time. A Guide to the National Income and Product Accounts of the United States (http://www.bea.gov/national/pdf/nipaguid.pdf) (NIPA).
Recent Data
| Date | Value (Index 2017=100) | Change |
|---|---|---|
| January 1, 2026 | 131.74 | +1.12 |
| October 1, 2025 | 130.62 | +1.19 |
| July 1, 2025 | 129.43 | +1.18 |
| April 1, 2025 | 128.25 | +0.82 |
| January 1, 2025 | 127.43 | +1.17 |
| October 1, 2024 | 126.26 | +0.73 |
| July 1, 2024 | 125.53 | +0.59 |
| April 1, 2024 | 124.94 | +0.78 |
| January 1, 2024 | 124.16 | +0.92 |
| October 1, 2023 | 123.24 | +0.47 |
| July 1, 2023 | 122.77 | +0.96 |
| April 1, 2023 | 121.80 | +0.55 |
Frequently Asked Questions
What is Gross Domestic Product: Implicit Price Deflator today?
The latest value of Gross Domestic Product: Implicit Price Deflator (GDPDEF) is shown at the top of this page, along with its observation date and the change from the prior reading. Data is sourced from FRED and refreshed regularly.
How often is Gross Domestic Product: Implicit Price Deflator updated?
Gross Domestic Product: Implicit Price Deflator is reported quarterly (Quarterly). New observations appear on FRED shortly after the source agency releases them, and this page updates daily.
What does a rising Gross Domestic Product: Implicit Price Deflator mean?
A sustained rise in Gross Domestic Product: Implicit Price Deflator signals strengthening readings in this economic measure, in index 2017=100. Whether that is positive or negative for markets depends on context — compare the move against the series’ trend and related indicators in the same category.
Where does the GDPDEF data come from?
The data comes from FRED® (Federal Reserve Economic Data), maintained by the Federal Reserve Bank of St. Louis, under series ID GDPDEF. History is available back to 1947.
Related Unknown Indicators
- Real Gross Domestic Product1.6
- Real gross domestic product per capita70,502
- Average Hourly Earnings of Production and Nonsupervisory Employees, Total Private32.31
- Average Weekly Hours of All Employees, Total Private34.3
- Average Weekly Hours of Production and Nonsupervisory Employees, Manufacturing41.6
- Average Weekly Overtime Hours of Production and Nonsupervisory Employees, Manufacturing4
- Business Applications: Total for All NAICS in the United States523,971
- ICE BofA US Corporate Index Option-Adjusted Spread0.75
Data sourced from FRED®, Federal Reserve Bank of St. Louis: Gross Domestic Product: Implicit Price Deflator (GDPDEF). Retrieved from fred.stlouisfed.org. Last updated May 28, 2026.