Dark Money Is Rewriting the 2026 Midterm Elections

The 2026 midterm elections are on track to become the most expensive elections ever conducted in the United States. Millions of Americans are expected to vote in contests that could reshape the country, but voters are facing a problem that money alone cannot solve: much of the spending is hidden, and much of the advertising is misleading.

Corporations and tech moguls have spent billions pushing provocative political ads for far too long. This year, an unprecedented influx of cash from tech billionaires and corporate interests has poured into the midterms, filling television screens, mailboxes and the internet with messages designed to shift voter preferences. Right now, it is next to impossible for the average voter to sort through the noise.

The money behind the noise

Overall spending on federal elections has exploded. Spending rose from $3.8bn in the 2014 midterm elections to $8.9bn in 2022, and this year’s congressional midterms are on pace to break that record. The scale of the spending matters because outside groups can change the direction of a race, even when their claims have no factual basis.

A growing share of that money is known as dark money. These are funds whose donors do not have to be disclosed under the law, leaving voters without a full picture of who is paying to influence a campaign. The Brennan Center estimated, conservatively, that $1.3bn in dark money had already been deployed in the 2026 midterms, more than twice the amount spent through election day during the 2022 midterms.

Almost all Super Pac spending is functionally dark, too. Even when a donor’s name becomes public, the money can pass through a vaguely named group, and few voters have the time or inclination to trace where that group gets its money. Much of the dark and functionally dark spending has come from Super Pacs funded by billionaires, including Elon Musk and Jeff Yass, along with corporate interests in the AI and crypto industries.

About 60% of dark money spent this cycle has benefited Republicans, and Republican-aligned groups are responsible for many of the most outrageous claims. But dark money is a bipartisan problem, and Democratic groups have used the same system.

How misleading ads shape a race

In 2026, Super Pacs have flooded the airwaves, mailboxes and internet with false and misleading advertisements. One claim, or implication, said Texas Senate candidate James Talarico supported “taxpayer-funded sex change surgeries on kids.” Another claimed Senate candidate Roy Cooper released a murderer from prison. A separate claim said gubernatorial candidate Amy Acton is an alcoholic.

The ad targeting Acton came from Vivek Ramaswamy’s own campaign and featured her estranged mother. That detail matters because the flood of political messaging does not come from one single source. Campaigns, Super Pacs and corporate interests can all add to the pressure, while voters are left to determine which claims deserve attention.

A Democratic Super Pac called WinSenate made its own false claim about Republican Maine Senator Susan Collins. The group said, “Jeffrey Epstein’s business partner funneled $3 million” to a Pac supporting Collins. The donor in question was Blackstone CEO Stephen Schwarzman, who, along with Epstein, belonged to the Core Club in New York City. Schwarzman and Epstein were not business partners, and PolitiFact rated the ad false.

WinSenate receives much of its funding from billionaires through another Super Pac, Senate Majority Pac. The example shows how political money can travel through layers of groups while ads present a simple, damaging message. By the time voters see the claim, the path from donor to advertisement can be hard to follow.

Why the spending reaches beyond votes

The billions of dollars flowing through dark money will influence the composition of the next Congress, but the effect on elections goes beyond possibly shifting votes. Campaigns are forced to respond when an attack appears, even if the attack has no factual basis. Candidates are diverted from voter events to fundraising functions so they can counter expensive television ads.

Political parties and outside groups also work with a limited pool of money. When they spend heavily in one race, they divert resources from other contests. That means a misleading ad can consume campaign time and money even when it does not survive a basic fact-check.

“With the fate of US democracy hanging in the balance, millions of Americans have faced a cacophony of provocative – and often inaccurate – messages calibrated to shift their preferences.” The message is not simply that elections cost more now. It is that hidden spending makes it harder to understand who is trying to shape those preferences.

There was a time when the midterms seemed easier to follow. “I’m old enough to remember when American elections, and especially the once-sleepy midterms, were a placid affair that anyone with a calculator and a friend at the Associated Press could predict.” That era has given way to contests filled with billionaire money, corporate interests and targeted claims that can spread before voters have time to check them.

We do not have to accept the system as it is. One answer is to limit the amount of money billionaires and corporations can spend on elections. Major changes in US law and industry have already shifted who supplies large political contributions and how much they spend.

The stakes are clear as the balance of power shifts in Washington. The upcoming midterms will be the most expensive elections ever conducted in the United States, and more of the money will be dark than ever before. Without changes that limit the power of large donors and corporate interests, voters will keep facing races where the spending is easy to see but the people behind it are not.

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