Inflation · CPIAUCNS
CPI-U (unadjusted)
As of Sep 2026, the unadjusted CPI-U had risen 3.7% from a year earlier, compared with a 12-month change of 3.4% in Aug 2026. The latest value was 336.940 (index 1982-1984=100).
Source: U.S. Bureau of Labor Statistics via FRED®. Monthly data, not seasonally adjusted. Latest observation Sep 2026; snapshot taken Oct 26, 2026, 6:40 PM EDT.
Latest (Sep 2026)
336.940
Change from Aug 2026
+0.6%
A year earlier
324.800
12-month change
+3.7%
336.940 Sep 2026 · Index 1982-1984=100
Index 1982-1984=100. Data from Jan 1913 to Sep 2026 (1,364 observations).
What it measures
This is the same CPI-U before seasonal adjustment, with history back to 1913. It is the version normally used for escalation clauses and for converting dollars between years, and it powers our inflation calculator.
- Official title
- CPI for All Urban Consumers: All Items (Not Seasonally Adjusted)
- Units
- Index 1982-1984=100
- Frequency and adjustment
- Monthly, not seasonally adjusted
- Original source
- U.S. Bureau of Labor Statistics
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| Date | Value | Change | From a year ago |
|---|---|---|---|
| Sep 2026 | 336.940 | +0.6% | +3.7% |
| Aug 2026 | 334.980 | +0.3% | +3.4% |
| Jul 2026 | 333.918 | -0.0% | +3.4% |
| Jun 2026 | 333.952 | -0.3% | +3.5% |
| May 2026 | 335.123 | +0.6% | +4.2% |
| Apr 2026 | 333.020 | +0.9% | +3.8% |
| Mar 2026 | 330.213 | +1.0% | +3.3% |
| Feb 2026 | 326.785 | +0.5% | +2.4% |
| Jan 2026 | 325.252 | +0.4% | +2.4% |
| Dec 2025 | 324.054 | -0.0% | +2.7% |
| Nov 2025 | 324.122 | -0.2% | +2.7% |
| Sep 2025 | 324.800 | +0.3% | +3.0% |
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This page shows public economic data for general information. It is not financial advice and does not predict future values.
Sources
- U.S. Bureau of Labor Statistics, CPI for All Urban Consumers: All Items (Not Seasonally Adjusted) [CPIAUCNS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CPIAUCNS, Oct 26, 2026.
- View CPIAUCNS on FRED® · U.S. Bureau of Labor Statistics
FRED® is a registered trademark of the Federal Reserve Bank of St. Louis. Neither the Federal Reserve Bank of St. Louis nor U.S. Bureau of Labor Statistics endorses OpenEcon.