The 2026 US midterm elections are projected to be the most expensive in history, with total spending estimated between $11.6 billion and $11.9 billion. This surge is being driven by Super PACs, which are contributing over $5.5 billion, and a growing concentration of influence among ultra-wealthy donors.
Spending is heavily fueled by megadonors from the tech, AI, and cryptocurrency industries, as well as an increase in untraceable 'dark money'.