12 months to August 2026+4.4%US +3.7% to September 2026
Annual average, 2025+2.4%US +2.6%
A year since 2020+5.1%compound average
Index, August 2026381.1base 1982–84 = 100
Seattle-Tacoma-Bellevue WAUS city average
| Year | Annual average CPI | Inflation | US | Gap, pt | |
|---|---|---|---|---|---|
| 2025 | 362.0 | +2.4% | +2.6% | −0.2 pt | |
| 2024 | 353.5 | +3.7% | +2.9% | +0.8 pt | |
| 2023 | 340.8 | +5.8% | +4.1% | +1.7 pt | |
| 2022 | 322.2 | +9.0% | +8.0% | +1.0 pt | |
| 2021 | 295.6 | +4.6% | +4.7% | −0.1 pt | |
| 2020 | 282.7 | +1.7% | +1.2% | +0.5 pt | |
| 2019 | 278.0 | +2.5% | +1.8% | +0.7 pt | |
| 2018 | 271.1 | +3.2% | +2.4% | +0.8 pt | |
| 2017 | 262.7 | +3.1% | +2.1% | +0.9 pt | |
| 2016 | 254.9 | +2.2% | +1.3% | +1.0 pt | |
| 2015 | 249.4 | +1.4% | +0.1% | +1.2 pt | |
| 2014 | 246.0 | +1.8% | +1.6% | +0.2 pt | |
| 2013 | 241.6 | +1.2% | +1.5% | −0.2 pt | |
| 2012 | 238.7 | +2.5% | +2.1% | +0.5 pt | |
| 2011 | 232.8 | +2.7% | +3.2% | −0.5 pt | |
| 2010 | 226.7 | +0.3% | +1.6% | −1.3 pt | |
| 2009 | 226.0 | +0.6% | −0.4% | +0.9 pt | |
| 2008 | 224.7 | +4.2% | +3.8% | +0.4 pt | |
| 2007 | 215.7 | +3.9% | +2.8% | +1.0 pt | |
| 2006 | 207.6 | +3.7% | +3.2% | +0.5 pt | |
| 2005 | 200.2 | +2.8% | +3.4% | −0.6 pt | |
| 2004 | 194.7 | +1.2% | +2.7% | −1.4 pt | |
| 2003 | 192.3 | +1.6% | +2.3% | −0.7 pt | |
| 2002 | 189.3 | +1.9% | +1.6% | +0.4 pt | |
| 2001 | 185.7 | +3.6% | +2.8% | +0.8 pt | |
| 2000 | 179.2 | +3.7% | +3.4% | +0.3 pt | |
| 1999 | 172.8 | +3.0% | +2.2% | +0.8 pt | |
| 1998 | 167.7 | +2.9% | +1.6% | +1.3 pt |
BLS CPI-U, all items, not seasonally adjusted; annual averages as published (period M13).