Washington's 7% Millionaires' Tax: Will Wealthy Residents Flee?

Washington state has enacted a new wealth tax, becoming the first state to approve a dedicated tax on high-income earners. Governor Bob Ferguson signed Senate Bill 6346, known as the Millionaires' Tax, into law this week. The legislation imposes a 7% tax on individual income exceeding $1 million annually. According to state estimates, less than half of one percent of Washington residents will be subject to the tax. In its inaugural full year, over 41.3% of the projected revenue is earmarked for direct rebates and credits to families and small business owners. This allocation is set to increase to 47.3% the following year. The law directs funds toward specific public benefits, including providing free meals for all K-12 public school students and expanding the Working Families Tax Credit to an additional 460,000 households. Proponents argue the tax will address income inequality and fund essential services without burdening most taxpayers. Critics, however, contend it could incentivize affluent residents and businesses to relocate to states with lower tax burdens, potentially impacting the state's economic landscape. The law is slated to take effect next year, though it is expected to face legal challenges from opponents who argue it violates the state constitution's uniformity clause.