
In Colorado, signatures were submitted to the secretary of state on August 3, 2026, for a ballot initiative to establish a graduated income tax. Known as Initiative 195, the measure would establish a six-tier structure for state income taxes, ranging from 3.7% to 8.4%, and remove the uniform tax rate requirement from the Taxpayer's Bill…

In Colorado, signatures were submitted to the secretary of state on July 15, 2026, for a ballot initiative to cap individual and corporate income tax rates at 4.4% of a taxpayer's federal taxable income. The Colorado secretary of state's office has until Sept. 2, 2026, to review the signatures to determine whether the petition contains…

Voters in Washington will decide on a ballot measure that would repeal legislation establishing an income tax for certain households and ban income taxes altogether on Nov. 3, 2026. More specifically, the measure — known as I-645 — is an Initiative to the People, a type of initiated state statute, that would repeal provisions of…

In Washington, signatures were submitted to the secretary of state on July 2, 2026, for a ballot initiative that would repeal legislation establishing an income tax for certain households and ban income taxes altogether. More specifically, the measure would repeal Senate Bill 6346 (SB 6346), which imposes a 9.9% tax on household income exceeding $1…