Data Reportby The Hanover InstituteNovember 9, 2026Updated November 10, 2026

Does AIPAC’s money drive support for Israel in Congress?

AIPAC’s PAC gave 63% of 2023 to 2024 contributions to Republicans; House aid votes ran 420 to 9. What the filings, votes and one study record.

Does AIPAC’s money drive support for Israel in Congress?

AIPAC’s connected political action committee gave 63.02% of its $3,037,900 in direct 2023 to 2024 contributions to Republican candidates and 36.62% to Democrats, according to OpenSecrets’ tabulation of Federal Election Commission filings (OpenSecrets, 2025). The money reaches both parties, and so do the votes: the House passed the 2021 Iron Dome supplemental 420 to 9 (US Congress, 2021). Does the money produce that margin, or does it follow it? A 2025 peer-reviewed study (Küçük, 2025) finds contributions associated with pro-Israel bill sponsorship, through a design that cannot separate money following a position from money shaping one, while Gallup’s 2025 reading finds 59% of Democrats sympathizing more with the Palestinians.

Key Findings

  • AIPAC’s connected PAC contributed $3,037,900 to 367 federal candidates in the 2023 to 2024 cycle, 63.02% to Republicans and 36.62% to Democrats, on OpenSecrets’ tabulation of FEC filings (OpenSecrets, 2025).
  • Members who sponsor pro-Israel bills receive more campaign contributions, a correlational finding on sponsorship rather than floor votes, whose design cannot separate contributions following a position from contributions shaping one (Küçük, 2025, peer-reviewed).
  • The House passed Israel security assistance 420 to 9 in September 2021 and 366 to 58 in April 2024; the same assistance paired with an IRS rescission passed 226 to 196 in November 2023 (US Congress, 2021 to 2024, recorded votes).
  • United Democracy Project, the AIPAC-affiliated super PAC, filed $20,786,780 in independent expenditures opposing Democrats in the 2023 to 2024 cycle, against $0 supporting Republicans (OpenSecrets, 2025).
  • AIPAC reported $3,757,105 in lobbying income for 2025 on four LD-2 reports, its own self-certified estimate (United States Senate, Office of Public Records, 2026), about 0.07% of the roughly $5.1 billion OpenSecrets reports for all federal lobbying that year (OpenSecrets, 2026).

Do AIPAC contributions reach both parties, and in what share?

AIPAC’s connected PAC gave 63.02% of its 2023 to 2024 direct contributions to Republicans and 36.62% to Democrats, on OpenSecrets’ tabulation of FEC data released 6 February 2025 (OpenSecrets, 2025).

The two shares sum to 99.64% of a $3,037,900 total, which reached 347 House candidates and 20 Senate candidates in a single cycle.

On those shares, Republican candidates received about $1.91 million and Democratic candidates about $1.11 million. The recipients are candidates, not sitting members, so the 367 includes challengers and open-seat contenders, and the count is not a count of Congress. The largest single recipient total in the cycle was $20,000, a ceiling set by statute rather than by choice: a multicandidate committee may give no more than $5,000 per candidate per election under 52 U.S.C. 30116.

Source: OpenSecrets, 2025, tabulating FEC filings released 6 February 2025. Shares sum to 99.64%.

This is one channel of three. Direct PAC contributions are governed by the contribution limits of the Federal Election Campaign Act. The independent expenditures of United Democracy Project, the AIPAC-affiliated super PAC, are a separate channel under a separate permission, and AIPAC’s lobbying is reported under a third statute, the Lobbying Disclosure Act of 1995. The three are reported on different forms, for different periods, and are never added together in this report.

A contribution record measures money given. It records who received how much and when; it carries no field for what the recipient believed before the check arrived or did afterwards. The bipartisan split above is therefore a fact about the distribution of AIPAC PAC money, and it says nothing on its own about any change in any recipient’s position on Israel.

Who says the money buys or sustains bipartisan support?

A 2025 peer-reviewed study in the Turkish Journal of Middle Eastern Studies by Ömer Naim Küçük found that, after the 2023 Israel-Hamas war, members of Congress who sponsor pro-Israel bills receive more campaign contributions (Küçük, 2025). It also found that members facing stronger electoral competition attract more targeted donations.

Two positions sit around that finding. AIPAC itself describes its political program as bipartisan, aimed at electing members of both parties who support the US-Israel relationship. The Intercept framed the money as a lever on Congress in an October 2024 analysis published under the headline “How Does AIPAC Shape Washington? We Tracked Every Dollar.” (The Intercept, 2024). The first is the organization’s description of its own strategy; the second is a newsroom’s framing of the same spending.

The directional point holds on the filings: the money does flow to both parties, 63.02% to Republicans and 36.62% to Democrats in 2023 to 2024 (OpenSecrets, 2025), so a contribution program that reaches both sides of the aisle is a matter of record. Küçük’s association adds that the money concentrates on members who sponsor pro-Israel legislation and on members in competitive races.

The base rate reframes what that association can carry. Küçük’s design is correlational. A legislator who already sponsors pro-Israel bills is the legislator a pro-Israel donor would choose to fund, and a legislator funded by a pro-Israel donor might sponsor such bills in return; the study’s data cannot tell those two sequences apart. Its second finding, on electoral competition, is consistent with money going where it is most needed to keep an existing supporter in office, and equally consistent with money being placed where it buys the most leverage. The study records that contributions and sponsorship move together. It does not record which moved first.

How bipartisan are the recorded votes on Israel security assistance?

The House passed H.R. 5323, the $1 billion Iron Dome Supplemental Appropriations Act, 420 to 9 with 2 present on 23 September 2021 (US Congress, 2021, Roll Call 275).

That is 420 of 431 members recording a position, or 97.4%, so members who received AIPAC PAC money did vote for it near-unanimously.

The base rate is the whole chamber, which voted the same way. With only 9 members voting no on Roll Call 275, any group of 100 members voted at least 91% yes, and any group of 300 at least 97%. A near-unanimous yes among AIPAC recipients is what the tally guarantees for any large subset of the House, whatever its funding.

The later votes show the margin moving. On 2 November 2023, H.R. 6126 paired Israel security assistance with a rescission of IRS funding and passed 226 to 196, near party lines (US Congress, 2023, Roll Call 577). On 20 April 2024, H.R. 8034 carried essentially the same assistance without the offset and passed 366 to 58 (US Congress, 2024, Roll Call 152), 86.3% of 424 voting. Three days later the Senate agreed to H.R. 815, the supplemental carrying Israel, Ukraine and Indo-Pacific assistance, 79 to 18 (US Congress, 2024, Record Vote 154).

Source: US Congress, recorded votes: House Roll Calls 275 (2021), 577 (2023), 152 (2024); Senate Record Vote 154 (2024).

The 2023 and 2024 House votes differ by 140 yes votes on essentially the same assistance, and the variable between them is the IRS-rescission offset. The margin tracked the legislative packaging. Most Israel assistance is carried inside the annual State and Foreign Operations appropriations act, where a vote on the package is not a vote on any one line, which is why these four are the usable series.

A recorded vote shows that support crossed party lines. It records each member’s position on the question put, and nothing about why any member took it.

Why does the super PAC spend mostly against Democrats?

United Democracy Project, the AIPAC-affiliated super PAC, filed $20,786,780 in independent expenditures opposing Democrats in the 2023 to 2024 cycle, its largest directional line, on OpenSecrets’ tabulation of FEC filings (OpenSecrets, 2025). The filings record the direction and the amount of each expenditure. They do not record the reason for it or its effect on any race.

Source: OpenSecrets, 2025, tabulating FEC independent-expenditure filings for committee C00799031.

The other three lines are $14,067,863 supporting Democrats, $3,043,662 opposing Republicans and $0 supporting Republicans. Together the four sum to $37,898,305, which is $38,105 more than the $37,860,200 the same tabulation gives as the cycle total; the breakdown and the total do not reconcile to the dollar. Measured against the directional sum, opposition to Democrats is about 55%, and money spent on Democratic candidates, for or against, is $34,854,643, or 92.0%.

The concentration was also geographic. More than $14.6 million went into a single House race, New York’s 16th District in 2024, more than a third of the cycle total (OpenSecrets, 2025).

That distribution is the mechanism through which this channel bears on bipartisanship. The direct PAC money in the first section leans Republican; the super PAC money is spent almost entirely in contests among Democrats. Support for Israel assistance inside the Republican conference drew no UDP spending in either direction on the Republican support line, while the composition of the Democratic side of the coalition is where the larger channel operates.

Independent expenditures are, by the statutory definition that permits them, made without coordination with any candidate or campaign. They are money spent about a race, not given to a campaign, which is why they appear on a different line from the $3,037,900 in direct contributions and are never added to it. Whether a member facing such spending adjusts a vote, or a challenger it helped elect votes differently from the member replaced, is outside what an expenditure filing records.

Can a bill-sponsorship study explain bipartisan floor votes?

Küçük (2025) measured sponsorship of pro-Israel bills, not recorded floor votes such as the 420 to 9 on Roll Call 275 in 2021. Sponsorship is a voluntary act a member chooses to take; a floor vote is a position every member present must record on a scheduled question. The two have different base rates, and an association with one does not transfer to the other.

Source: Küçük, 2025, Turkish Journal of Middle Eastern Studies, peer-reviewed.

The difference matters most where the margins are widest. On the 2021 vote, 420 of 431 members recording a position voted yes (US Congress, 2021). A measure that nearly every member supports leaves almost no variation for contributions to explain: the funded and the unfunded voted the same way. Sponsorship varies far more from member to member, which is what makes it measurable as an outcome, and also what makes it a different behaviour from voting.

The 2023 to 2024 House votes show where floor-vote variation actually appeared. The 140-vote gap between Roll Call 577 and Roll Call 152 tracked the IRS-rescission offset attached to the first bill (US Congress, 2023 and 2024). Any test of whether contributions move floor votes would have to separate that packaging effect from a donor effect, and the bill-sponsorship design is not built to do so.

The study set used here contains no test of whether contributions shifted roll-call votes on Israel assistance. No published source sets out a denominator, a vote set or a method for a rate of 90% of AIPAC-supported members voting for aid without conditions. The recorded tallies stand in its place: on Roll Call 275, any 100 members voted at least 91% yes, funded or not.

How large is AIPAC’s lobbying channel beside its contributions?

The Senate Office of Public Records’ Lobbying Disclosure Act register shows AIPAC reported $3,757,105 in lobbying income for calendar year 2025 on four quarterly LD-2 reports (United States Senate, Office of Public Records, 2026).

That is AIPAC’s own self-certified, good-faith estimate, entered on line 12, the income line, with line 13, the expense line, left blank.

The quarterly entries are $963,135, $880,060, $940,000 and $973,910, filed between 18 April 2025 and 15 January 2026. AIPAC files as its own client, so the entire total is in-house: no outside firm compensation is reported, and OpenSecrets’ client profile lists 10 named lobbyists (OpenSecrets, 2026). The form asks for an estimate “rounded to the nearest $10,000”; the reported amounts are not rounded that way, which is a property of the filing and nothing more.

Source: United States Senate, Office of Public Records, 2026, Lobbying Disclosure Act register, registrant 2718.

The annual total rose from $2,757,247 in 2021 to $3,757,105 in 2025, an increase of about 36%. Against the whole field it is small. OpenSecrets reports about $5.1 billion in federal lobbying for 2025, so AIPAC’s total is roughly 0.07% of it; the top-ranked client, the US Chamber of Commerce, reported $72.2 million, about nineteen times as much, and AIPAC does not appear in the published top 20, whose twentieth entry reported $13.5 million (OpenSecrets, 2026).

Beside the contributions, the lobbying figure covers a different period and a different activity. The $3,757,105 is one calendar year of reported lobbying income; the $3,037,900 in PAC contributions is a two-year election cycle; the super PAC’s $37,860,200 is a third channel under a third rule. The three sit side by side here and are never summed into a single spending figure. The register records what was filed, and carries no measure of access, influence or legislative effect.

Do Democratic and Republican voters still agree as Congress does?

Gallup’s February 2025 World Affairs reading found 59% of Democrats sympathizing more with the Palestinians than with the Israelis (Gallup, 2025; full sample n=1,004, ±4 points).

In 2023, Democrats had for the first time in the trend sympathized more with the Palestinians (49%) than the Israelis (38%) (Gallup, 2023).

Republicans moved the other way: 75% sympathized more with the Israelis in the same 2025 reading. Among all US adults, 46% sympathized more with the Israelis, the lowest in 25 years of the trend, against 63% in February 2010, and 33% with the Palestinians, the highest by two points (Gallup, 2010 and 2025).

Between the 2023 and 2025 readings, the Democratic share sympathizing more with the Palestinians rose from 49% to 59%, a ten-point move in two years, while Republicans in 2025 sat at 75% on the Israeli side. What moved is the partisan gap, not only the national average.

Source: Gallup, 2025, Middle East sympathies trend series, World Affairs survey.

Set beside Congress, the divergence is sharp. In April 2024, House Democrats voted 173 to 37 for H.R. 8034 (US Congress, 2024), and ten months later a majority of Democrats in Gallup’s sample sympathized more with the Palestinians. Cross-party floor margins and a widening partisan gap in public sympathy coincided over the same years. That coincidence is an association; it is not evidence of what produced the congressional margins or the public shift, and Gallup’s question measures relative sympathy between two named parties, not views on assistance. Bipartisan support, on these records, is a congressional pattern more than a public one.

Methodology and limitations

The evidence comes from four source types. Primary and official records: the four recorded votes on Israel security assistance at congress.gov (2021 to 2024), the Lobbying Disclosure Act register of the Senate Office of Public Records (four 2025 LD-2 reports, read 19 August 2026), and the contribution limit in 52 U.S.C. 30116. Campaign-finance aggregation: OpenSecrets’ tabulations of FEC filings for the AIPAC PAC and United Democracy Project (data released 6 February 2025) and of Senate lobbying filings for 2025. Peer-reviewed research: Küçük (2025). Survey measurement: Gallup’s trend series, with two news reports, NPR (2026) and The Intercept (2024), cited for what each published.

Each measures something narrower than influence. FEC tabulations record money given or spent and its direction. LD-2 reports are self-declared, good-faith estimates certified by the filer and not audited before posting; AIPAC’s figures sit on the income line. United Democracy Project’s four directional figures exceed its reported cycle total by $38,105, and both are given above. Recorded votes record positions, not reasons.

Küçük (2025) is correlational, measures bill sponsorship rather than roll-call votes, and cannot separate contributions following a position from contributions shaping one. Gallup readings are national telephone samples with margins of about ±4 points; Gallup’s 2018 methodology article documents that the question’s placement within a survey changes the shares it produces, which limits comparison across readings.

Conclusion

So does the money explain the bipartisan margin? On these records, the money and the margin travel together, and nothing in them shows which one leads. AIPAC’s PAC gave across the aisle, 63.02% to Republicans and 36.62% to Democrats; contributions concentrate on members who sponsor pro-Israel bills; and the House voted 420 to 9 in 2021, a tally under which any 100 members, funded or not, voted at least 91% yes.

The portrait is specific. Direct contributions lean Republican and are capped at $5,000 per candidate per election; the super PAC’s larger stream was spent 92.0% on Democratic contests, mostly in opposition. Floor margins moved by 140 votes on packaging, not on the assistance itself. Lobbying, at $3,757,105 in AIPAC’s own reported income for 2025, is a small line in a $5.1 billion field. And while House Democrats voted 173 to 37 for assistance in 2024, 59% of Democrats in Gallup’s 2025 sample sympathized more with the Palestinians.

That last pairing sharpens what the question is really about. If the chamber’s margins hold while the public’s sympathies split along party lines, is the money sustaining a consensus that already existed in Congress, or holding in place a consensus the voters of one party have begun to leave? The filings record where every dollar went; how much of the 420 it bought is a question the country’s campaign-finance system was never designed to answer.

Frequently Asked Questions

How much can AIPAC’s PAC give a single candidate?

A multicandidate committee may give no more than $5,000 per candidate per election under 52 U.S.C. 30116. Primary and general elections count separately, which is why the largest single recipient total in the 2023 to 2024 cycle reached $20,000 (OpenSecrets, 2025).

Does AIPAC still give directly to candidates?

NPR reported on 21 October 2026, under the headline “AIPAC halts endorsements and direct contributions to candidates,” that the organization had stopped that channel (NPR, 2026). The 2023 to 2024 PAC figures in this report predate that change.

Why do the super PAC’s spending lines not add up to its total?

OpenSecrets gives United Democracy Project a 2023 to 2024 total of $37,860,200, while its four directional lines sum to $37,898,305 (OpenSecrets, 2025). The $38,105 gap sits inside the tabulation, so the directional split and the total are best cited separately.

Is AIPAC’s lobbying figure audited?

No. An LD-2 report is a self-declared, good-faith estimate certified by the filer, and the Senate register posts it as filed (United States Senate, Office of Public Records, 2026). AIPAC’s 2025 amounts are also not rounded to the nearest $10,000 as the form requests.

Which channel is larger, lobbying or super PAC spending?

United Democracy Project reported $37,860,200 in independent expenditures for the 2023 to 2024 cycle (OpenSecrets, 2025), against AIPAC’s $3,757,105 in reported 2025 lobbying income (United States Senate, Office of Public Records, 2026). The periods and statutes differ, so the two are compared in scale, never combined.

Does Gallup’s question measure support for US assistance to Israel?

No. It is a forced choice between the Israelis and the Palestinians and measures relative sympathy (Gallup, 2025). In the same 2025 survey, 55% of US adults favored establishing an independent Palestinian state, a share in line with readings since 2020.

How does OpenSecrets classify AIPAC?

OpenSecrets places AIPAC in a “Pro-Israel” industry category of its own construction (OpenSecrets, 2026). The label is the aggregator’s classification, not AIPAC’s self-description or a government category.

Sources

  • Gallup, 2010 to 2025. Middle East sympathies trend series, World Affairs survey (2010, 2023 and 2025 releases). Gallup News. news.gallup.com/poll/1639. Named survey organization.
  • Küçük, Ömer Naim, 2025. Funding in the Shadow of Conflict: AIPAC’s Financial Influence on US Congress Post-2023 Israel-Hamas War. Turkish Journal of Middle Eastern Studies, 12(1), 1 to 20. DOI 10.26513/tocd.1574363. Peer-reviewed.
  • NPR, 2026. AIPAC halts endorsements and direct contributions to candidates. NPR. https://www.npr.org/2026/10/21/nx-s1-6011531/aipac-campaign-contributions-israel-democrats. News organization.
  • OpenSecrets, 2025. AIPAC PAC contributions to federal candidates, 2023 to 2024 cycle (FEC committee C00797670). OpenSecrets. opensecrets.org/political-action-committees-pacs/american-israel-public-affairs-cmte/C00797670/candidate-recipients/2024. Campaign-finance aggregator tabulating FEC filings.
  • OpenSecrets, 2025. United Democracy Project independent expenditures, 2024 cycle (FEC committee C00799031). OpenSecrets. opensecrets.org/outside-spending/detail/2024?cmte=C00799031. Campaign-finance aggregator tabulating FEC filings.
  • OpenSecrets, 2026. Top lobbying clients, calendar year 2025, and AIPAC client profile. OpenSecrets. https://www.opensecrets.org/federal-lobbying/top-clients?year=2025. Lobbying aggregator tabulating Senate Office of Public Records filings.
  • The Intercept, 2024. How Does AIPAC Shape Washington? We Tracked Every Dollar. The Intercept. https://theintercept.com/2024/10/24/aipac-spending-congress-elections-israel/. News organization.
  • United States Code, 52 U.S.C. 30116. Limitations on contributions and expenditures. Federal Election Campaign Act. uscode.house.gov. Official record (statute).
  • United States Senate, Office of Public Records, 2026. Lobbying Disclosure Act register: AIPAC registrant record 2718 and 2025 quarterly LD-2 reports. https://lda.senate.gov/. Official record (filings as filed).
  • US Congress, 2021 to 2024. Recorded votes on Israel security assistance: House Roll Call 275 (117th Congress), House Roll Calls 577 and 152 (118th Congress), Senate Record Vote 154 (118th Congress). congress.gov. Official record (recorded votes).

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