Inflation Index
CPI-U Chart and Inflation History
334.0
May 2026 Index Value
Updated May 2026
Track the BLS CPI-U index with chart history, month-over-month change, year-over-year inflation, and source references.Headline CPI-U all-items index values from the BLS public data feed.
Catalog lineageThis page is built from a catalog-linked curve_series resource. The page-pack walks from the stat page to the displayed CPI curve, L1 fact filters, staging model, source external tables, provider, and data channel.
1
2
3
Staging Modelstg_curves_bls_public_data_data
4
L1 Factl1_fact_point where BLS_ECON_SERIES / CUSR0000SA0
5
Curve SeriesConsumer Price Index (CPI-U): All Items
6
Stat Pageconsumer-price-index
Every number above traces to its source. We build the same lineage for the numbers your team relies on, with each value pulled, tracked, and kept current.Book a discovery call
+0.5%
Month-over-Month
Percent change from the prior published monthly CPI index reading.
+4.2%
Year-over-Year
Percent change versus the same month one year earlier.
321.4-334.0
Trailing 12-Month Range
Index low to high across the latest twelve months in the page-pack series.
Understanding Headline CPI
What this page shows
This page tracks the BLS CPI-U all-items index level as a warehouse-backed time series, with computed month-over-month and year-over-year changes derived from that index.Why CPI matters
Markets, central banks, mortgage analysts, and macro teams use headline CPI to understand inflation pressure, purchasing-power erosion, and policy sensitivity across rates and risk assets.How to use it
Use the headline metric and chart for level context, the metric cards for directional change, and the lineage section to inspect the exact catalog path from page to source tables, provider, and data channel.Frequently asked questions
Is this the CPI release calendar?
No. This page is the CPI-U chart and value series, with BLS index history and computed month-over-month and year-over-year changes. CPI release dates stay on /stats/calendar/ so release-event lineage remains distinct from value-series lineage.What CPI series is this?
It is the BLS CPI-U all-items series keyed in CMD+RVL through the BLS public data feed and selected from the warehouse using the CUSR0000SA0 bucket filter.Does this page show inflation rates or the index level?
The chart is the index level. Month-over-month and year-over-year percentage changes are computed from the same underlying series and exposed in the metric cards.What you’re looking at
This page is a working outcome.
Everything above, including the live figure, lineage trail, and automatic refresh, is a working example of an Operated Monitor, one of the outcomes CMD+RVL runs for clients. We stand up the same against the numbers your decisions depend on:
Pulled from source
Connected straight to where your data lives, with lineage captured on every value so each number traces back to where it came from.
Always current
Refreshed on a schedule and monitored, so the figure you cite is the figure that is true today, not last quarter’s spreadsheet.
Defensible
A standing record of what each number was and when, with the evidence to prove what you knew and when you knew it.