United States Consumer Price Index (CPI-U), 12-month change
United States Consumer Price Index (CPI-U), 12-month change is 3.4 percent, in force since 1 Aug 2026, cited to U.S. Bureau of Labor Statistics, Consumer Price Index. It was 3.5 percent before that. Last checked against the official source on 9 Oct 2026.
Official source: U.S. Bureau of Labor Statistics, Consumer Price Index · Last checked 2026-10-09 · source fingerprint
Year-on-year percentage change in the Consumer Price Index for All Urban Consumers, all items, U.S. city average, not seasonally adjusted.
Compare inflation rate (CPI) across all 10 North American countries →
| Current value | 3.4 percent (YoY, CPI-U all items, NSA) |
|---|---|
| In force from | 2026-08-01 |
| In force until | 2026-08-31 |
| Official source | U.S. Bureau of Labor Statistics, Consumer Price Index — August 2026 (USDL-26-1496, 11 September 2026); CPI-U all items, U.S. city average, 12-month change, not seasonally adjusted (CUUR0000SA0) |
| Last verified | 2026-10-09 |
| Verification | primary — No verification limitation recorded — read from the official source cited. |
| Provenance | source fingerprint |
What this value means
Update, not a reconfirm. Live value was 3.5 percent for June 2026 (effective_from 2026-06-01). Latest published release is August 2026. The same release states: The Consumer Price Index for All Urban Consumers (CPI-U) increased 3.4 percent over the last 12 months to an index level of 334.980 (1982-84=100). Table A unadjusted 12 months ended August 2026, All items, is 3.4. CPI-W 12-month change of 3.5 percent is not used. September 2026 release is scheduled for Wednesday, 14 October 2026. bls.gov HTML and PDF returned HTTP 403 to curl; this archive page was read via a browser fetch. BLS public API v2 series CUUR0000SA0 latest observation is August 2026, value 334.980, matching the index stated in the release. The landed 3.4 is the release's stated 12-month percent, not a ratio computed from the index. effective_from is the first day of August 2026.
Earlier values
| From | Value | Source |
|---|---|---|
| 2026-06-01 | 3.5 | U.S. Bureau of Labor Statistics, 'Consumer Price Index -… |
| 2026-05-01 | 4.2 | U.S. Bureau of Labor Statistics, series CUUR0000SA0 via BLS… |
| 2026-04-01 | 3.8 | U.S. Bureau of Labor Statistics, series CUUR0000SA0 via BLS… |
| 2026-03-01 | 3.3 | U.S. Bureau of Labor Statistics, series CUUR0000SA0 via BLS… |
| 2026-02-01 | 2.4 | U.S. Bureau of Labor Statistics, series CUUR0000SA0 via BLS… |
| 2026-01-01 | 2.4 | U.S. Bureau of Labor Statistics, series CUUR0000SA0 via BLS… |
Get it programmatically
curl https://usaref.dev/v1/us/cpi
# $0.005 per call — x402 on Base (USDC). No key, no signup.
# History: curl https://usaref.dev/v1/us/cpi/history?from=2020-01-01
# Provenance: curl https://usaref.dev/provenance/us/cpi
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Other United States series: Federal funds target range (upper bound) · Value added tax · VAT registration threshold · State general sales tax rate · Federal minimum wage (FLSA) · Federal public holidays 2026 · Federal corporate income tax rate · Withholding tax rates · Federal post-judgment interest rate (28 U.S.C. § 1961) · Federal individual income tax brackets (single filer, tax year 2026) · Statutory social-insurance contributions · Federal Reserve H.10 foreign exchange reference rates · Tax filing deadlines
The same figure elsewhere: Canada · Costa Rica · Dominican Republic · El Salvador · Guatemala · all 10