A wealthy state has approved a contentious “millionaires’ tax,” targeting top earners to fund social programs. Supporters hail new revenue, while critics warn of investor flight and economic fallout.
The Tax Foundation’s 2026 State Tax Competitiveness Index debuts with an interactive tool, allowing users to compare states’ tax structures, rankings, and reforms in real time.
Washington state’s new capital gains tax, hailed by supporters as a historic step toward taxing the super‑rich, faces legal and political challenges that could determine its fate.