United States Consumer Price Index (CPI-U), 12-month change
United States Consumer Price Index (CPI-U), 12-month change is 3.7 percent, in force since 1 Sep 2026, cited to U.S. Bureau of Labor Statistics, Consumer Price Index. It was 3.4 percent before that. Last checked against the official source on 19 Oct 2026.
Official source: U.S. Bureau of Labor Statistics, Consumer Price Index · Last checked 2026-10-19 · 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 | 3.7 percent (YoY, CPI-U all items, NSA) |
|---|---|
| In force from | 2026-09-01 |
| In force until | 2026-09-30 |
| Official source | U.S. Bureau of Labor Statistics, Consumer Price Index - September 2026 (USDL-26-1574, 14 October 2026); CPI-U all items, U.S. city average, 12-month change, not seasonally adjusted (CUUR0000SA0) |
| Last verified | 2026-10-19 |
| Verification | primary — No verification limitation recorded — read from the official source cited. |
| Provenance | source fingerprint |
What this value means
Reference month September 2026. The release states: 'The Consumer Price Index for All Urban Consumers (CPI-U) increased 3.7 percent over the last 12 months to an index level of 336.940 (1982-84=100).' Table A unadjusted 12 months ended September 2026, All items, is 3.7 (August was 3.4). CPI-W 3.9 percent is not used. The October 2026 release is scheduled for Tuesday, 10 November 2026.
Earlier values
| From | Value | Source |
|---|---|---|
| 2026-08-01 | 3.4 | U.S. Bureau of Labor Statistics, Consumer Price Index —… |
| 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
# $0.003 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/cpiEmail me when this changes
Free. One email when an official figure we track changes — not when we re-check it. You confirm by email first, and every alert has a one-click unsubscribe.
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