Dark money

Checked on December 17, 2025
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Executive summary

Dark money — political spending by groups that do not disclose their donors — surged in recent cycles, with one analysis finding nearly $2 billion of dark‑money spending in the 2024 election, roughly double 2020 levels [1]. Nonprofits, donor‑advised funds and shell entities channel hundreds of millions through networks that span left and right, fueling big grants to advocacy groups and affecting competitive races [2] [3] [4].

1. What “dark money” means and why it matters

“Dark money” refers to political spending where the ultimate source of funds is not disclosed; that includes nonprofits that aren’t required to reveal donors and donor‑advised funds that can anonymize contributors [5] [2]. The Brennan Center and OpenSecrets describe how Citizens United and post‑2010 rules created pathways for unlimited, often opaque, spending that can shape campaigns, judicial races and policy debates [2] [6].

2. How big the phenomenon is — recent numbers

Journalistic and think‑tank reporting shows growth: a Brennan Center‑linked analysis estimated dark‑money groups spent almost $2 billion in 2024, about twice 2020 totals, and Politico reported a single liberal dark‑money hub distributed nearly $311 million in 2024 via grants to progressive causes [1] [3]. OpenSecrets and OpenSecrets‑style trackers likewise document rising dark money flows into federal committees and super PACs over multiple cycles [7] [6].

3. Vehicles and actors: nonprofits, DAFs, networks

Dark money moves through established vehicles: 501(c) nonprofits, super PACs, shell companies and donor‑advised funds (DAFs). Investigations found major financial firms’ DAFs funneled at least $171 million to Project 2025‑aligned nonprofits, illustrating how mainstream institutions can enable anonymity [4]. Politico’s reporting shows large grants from a single dark‑money hub to a range of climate and voting‑rights groups, demonstrating the scale and targeted nature of such giving [3].

4. Political effects and contested narratives

Advocates for disclosure warn dark money threatens impartial courts and democratic accountability; Brennan Center analysis highlights risks to state supreme courts and local elections [2] [1]. Critics argue the term is weaponized to delegitimize legitimate philanthropy; coverage from ideologically aligned outlets frames dark money as “lawfare” or a response to policy fights — for example, commentators tie anonymous funding to climate advocacy or to claims of campaigns against energy independence [8] [9]. Both sides use the opacity to allege undue influence.

5. Case studies that show impact and ambiguity

High‑profile examples illustrate range: Politico documents a network awarding seven‑ and eight‑figure grants to climate and progressive groups, altering organizational budgets and GOTV efforts [3]. DeSmog’s analysis shows DAFs at Fidelity, Schwab and Vanguard channeled $171 million to Project 2025 groups, raising questions about donor intent and consequences [4]. At the same time, streaming documentaries and investigative pieces link dark money to corruption scandals, as in the Ohio story covered by The Dark Money Game [10] [11].

6. Data limits and methodological disputes

Measuring dark money is inherently incomplete: analysts can only count spending that is visible in filings or traceable through intermediaries, so published totals underestimate the real picture; Brennan Center researchers explicitly state identified spending may be much lower than the true total [1]. OpenSecrets and other trackers depend on FEC and tax data that can lag, omit non‑advertising political activity, or be obscured by legal structuring [6].

7. Policy debates and competing remedies

Reform proposals include stricter disclosure rules, tightening donor‑advised fund transparency and congressional action to override judicial precedents — the Brennan Center calls for legislation and increased transparency to curb runaway influence [2] [1]. Opponents warn such regulations could chill charitable giving or be used selectively against political opponents; commentary in energy and opinion outlets frames disclosure campaigns as politically motivated “lawfare” [8] [9].

8. What to watch next

Watch tax filings and new investigative journalism: large dark‑money networks release grant disclosures that reveal priorities and targets [3]. Also monitor legislative moves and court battles that seek to alter disclosure obligations or restrict specific vehicles like DAFs — debates that will determine whether the $171 million‑plus flows and the near‑$2 billion spending figure become more transparent or move deeper underground [4] [1].

Limitations: available sources document scale, vehicles and notable cases but do not provide exhaustive donor lists or the “true” total of hidden funding; they underscore that any public estimate is a floor, not a ceiling [1] [6].

Want to dive deeper?
What is dark money and how does it influence U.S. elections in 2025?
Which nonprofit groups most frequently spend dark money in recent campaigns?
How do disclosure laws differ between states for dark money donors?
What role do foreign actors play in dark money spending and how is it regulated?
What reforms have been proposed or passed to increase transparency around dark money?