Nov 3, 5:01 PM

US Midterm Campaign Spending Reaches Record $12 Billion

Independent political action committees and untraceable donations drive historic expenditures ahead of congressional elections.

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US Midterm Campaign Spending Reaches Record $12 Billion

Expenditure on the 2026 United States midterm elections has reached a record total of nearly $12 billion, according to figures compiled by the research organisation OpenSecrets. The surge in funding reflects a dramatic increase in independent political contributions alongside direct candidate fundraising. The record spending comes as voters identify the cost of living and economic stability as primary concerns heading into the elections.

Direct candidate spending accounts for a significant portion of the total, with Democratic candidates projected to spend over $2.2 billion compared with $1.4 billion by Republicans. However, independent expenditure groups, commonly known as super PACs, have driven the majority of the growth. Outside spending has nearly tripled over the past decade, rising from $4.12 billion in 2016 to almost $11.9 billion for the current midterm cycle, following landmark court decisions that removed limits on independent campaign donations.

Individual megadonors and targeted committees have contributed substantial sums to aligned groups. Financial records show that Elon Musk contributed $445 million to Republican-aligned causes, primarily through America PAC, while George Soros financed Democracy PAC in support of Democratic candidates. Major legislative super PACs have also deployed large budgets, including the Republican-focused Senate Leadership Fund at $489 million and MAGA Inc at $353 million, as well as the Democratic Senate Majority PAC at $248 million and House Majority PAC at $192 million.

The transparency of political funding has also drawn scrutiny due to the flow of untraceable contributions, often referred to as dark money. OpenSecrets estimates that dark money passing through shell organisations will exceed $1.5 billion in this election cycle, up from $1.35 billion in 2024. Organisations such as the American Israel Public Affairs Committee and its affiliated United Democracy Project have channelled millions into key races, including congressional primaries in New York, Missouri, and the Senate contest in Michigan.

The level of political outlay has prompted comparisons to domestic spending programs and public policy budgets. The $12 billion figure equals the proposed spending reductions for the Department of Education in the 2026 federal budget and represents roughly one-quarter of the annual research budget of the National Institutes of Health. Competitive states such as Michigan have recorded candidate and outside spending totals reaching $333 million in single contests, even as voters consistently cite everyday living costs as their primary issue.

Written by Freya Stensrud freya.stensrud@alpineweekly.com