US INFLATION / CPI-U

Inflation, in focus.

Explore published data. Inspect what changed.

Open Research

Current-vintage snapshot

Reference month

Official observations · September 2026Captured 2026-10-14 · Latest available: September 2026

Headline · annual

3.74%

Year over year · NSA

+0.34 pp vs previous month

Core · annual

2.56%

Excludes food & energy · NSA

+0.12 pp vs previous month

Headline · monthly

0.65%

Seasonally adjusted

+0.25 pp vs previous month

Shelter · monthly

0.39%

Seasonally adjusted

+0.13 pp vs previous month

Inflation, in perspective

Annual change · NSA

October 2021 – September 2026 · 60 months
End month follows the reference month above.

Series history & availability

Start dates differ. Annual inflation needs 12 prior months; monthly inflation needs the prior month. Missing values stay unavailable.

All items (NSA): January 1913 – September 2026

Core CPI (NSA): January 1957 – September 2026

All history uses the earliest selected series; rebased comparisons use the latest starting series as their common base. Historical observations reflect the current captured vintage.

Drag the handles to focus the chart. CSV keeps the selected full date range.

ON THIS CHART

Tap or click the chart to keep that month’s values visible.

Behind the chart

4 annotations in this range

Historical context, not proof of causation. Effects can overlap and arrive with a lag. Shading marks the selected period, not the duration of its effects.

Historical context · February 2022

Russia invades Ukraine

The invasion disrupted commodity markets. The Fed warned of additional near-term inflation pressure while emphasizing uncertainty about the economic effects.

Related series: All items, Food, Energy

Federal Reserve · March 2022 statement ↗

Selected historical highlights, not an exhaustive event timeline. Hover over the trend chart or select an event; tap a chart month on mobile.

Select categories to compare across charts, table and CSV.

Saved views 0/8 · this browser only

Save up to eight views on this device. Saving the same name replaces it. Views use the current dataset, not frozen historical vintages.

SHOW YOUR WORK

Evidence comes first.

Published index levels, explicit calculations and traceable snapshots.

What you’re looking at

Fifteen CPI-U categories, with separate adjusted and unadjusted series. Monthly rates use SA levels; annual rates use NSA levels. Core excludes food and energy.

Reproducible, with limits

This snapshot reflects values available when captured, including revisions. Selecting a past month does not restore its original release vintage. Index bases may differ across categories.

BLS methodology

Capture details

Producer: U.S. Bureau of Labor Statistics
Captured (UTC): 2026-10-14 19:39:54
Snapshot: cb6e606c7c182708

Open full snapshot JSON