---
title: "CPI Inflation Rate (All Items)"
slug: cpi-inflation-rate-all-items
summary: "Consumer prices were 3.7% higher than a year earlier in September 2026, up from a rate of 3% in September 2025."
category: "Prices"
unit: percent
frequency: monthly
direction: higher_is_worse
latest_value: 3.71725084426899
latest_period: "2026-09"
trend: unknown
trend_suppressed: "rate_of_change_series"
last_updated: "2026-10-14T00:00:00Z"
source: "U.S. Bureau of Labor Statistics data retrieved via FRED"
measurement_basis: "Year-over-year percent change computed from the seasonally adjusted CPI-U all-items index (CPIAUCSL); seasonally adjusted values may be revised when BLS updates seasonal factors"
source_url: https://fred.stlouisfed.org/series/CPIAUCSL
canonical_html: https://americandefault.org/indicators/cpi-inflation-rate-all-items/
citation_apa: "Kilburn, R. (2026). CPI Inflation Rate (All Items) [Data set]. American Default Research. https://americandefault.org/indicators/cpi-inflation-rate-all-items/"
citation_chicago: "Kilburn, Ross. 2026. \"CPI Inflation Rate (All Items).\" American Default Research. https://americandefault.org/indicators/cpi-inflation-rate-all-items/."
citation_mla: "Kilburn, Ross. \"CPI Inflation Rate (All Items).\" American Default Research, 2026, americandefault.org/indicators/cpi-inflation-rate-all-items/."
---

# CPI Inflation Rate (All Items)

> Consumer prices were 3.7% higher than a year earlier in September 2026, up from a rate of 3% in September 2025.

## Current Reading

As of September 2026, CPI Inflation Rate (All Items) is **3.72%**.

## What Changed

- Consumer prices were 3.7% higher than a year earlier in September 2026, up from a rate of 3% in September 2025.
- The rate rose from 3.4% in August 2026.

## Recent Values

| Period | Value |
|--------|-------|
| 2026-09 | 3.72% |
| 2026-08 | 3.35% |
| 2026-07 | 3.3% |
| 2026-06 | 3.46% |
| 2026-05 | 4.17% |
| 2026-04 | 3.78% |
| 2026-03 | 3.29% |
| 2026-02 | 2.43% |
| 2026-01 | 2.39% |
| 2025-12 | 2.65% |
| 2025-11 | 2.7% |
| 2025-09 | 3.02% |

## Historical Context

- Peak since 1948: **14.59%** in March 1980
- Low since 1948: **-2.99%** in August 1949
- Pre-pandemic average (2015-01 – 2019-12): **1.55%**
- Post-pandemic average (2020-01 – 2024-12): **4.21%**

## Methodology

This indicator carries monthly observations and is interpreted as higher values indicate worse household conditions. Source: U.S. Bureau of Labor Statistics data retrieved via FRED.
Measurement basis: Year-over-year percent change computed from the seasonally adjusted CPI-U all-items index (CPIAUCSL); seasonally adjusted values may be revised when BLS updates seasonal factors
Automation: collected automatically on the daily refresh pipeline, with no hand entry.

## Source

U.S. Bureau of Labor Statistics data retrieved via FRED — [https://fred.stlouisfed.org/series/CPIAUCSL](https://fred.stlouisfed.org/series/CPIAUCSL)

Data retrieved: 2026-10-14T00:00:00Z

## Related Indicators

- [energy-cpi-all-items](https://americandefault.org/indicators/energy-cpi-all-items/)
- [food-price-inflation](https://americandefault.org/indicators/food-price-inflation/)
- [shelter-cpi](https://americandefault.org/indicators/shelter-cpi/)

## Machine-Readable Endpoints

- HTML page: https://americandefault.org/indicators/cpi-inflation-rate-all-items/
- JSON: https://americandefault.org/api/indicators/cpi-inflation-rate-all-items.json
- CSV: https://americandefault.org/api/downloads/cpi-inflation-rate-all-items.csv
- BibTeX: https://americandefault.org/citations/cpi-inflation-rate-all-items.bib
- RIS: https://americandefault.org/citations/cpi-inflation-rate-all-items.ris

## Citation

**APA 7th**

    Kilburn, R. (2026). CPI Inflation Rate (All Items) [Data set]. American Default Research. https://americandefault.org/indicators/cpi-inflation-rate-all-items/

**Chicago (author-date)**

    Kilburn, Ross. 2026. "CPI Inflation Rate (All Items)." American Default Research. https://americandefault.org/indicators/cpi-inflation-rate-all-items/.

**MLA 9th**

    Kilburn, Ross. "CPI Inflation Rate (All Items)." American Default Research, 2026, americandefault.org/indicators/cpi-inflation-rate-all-items/.

Use **American Default Research** as the institutional name in source lists, bibliographies, and press citations. **American Default** is the brand and URL form. **American Distress Index (ADI)** is the product name for the national composite score.