Yasmin Ayman

After pledging not to involve the United States in costly wars that drain taxpayer resources and result in American casualties, President Donald Trump surprised the public by authorizing military action alongside Israel against Iran. This development has raised important questions about its potential domestic consequences, particularly with the November 2026 midterm elections approaching.Foreign policy issues—especially the Israeli war on Gaza—previously served as a key campaign tool leveraged by Republicans and Trump, contributing to their electoral victory over Democrats. Expectations are now growing that the U.S.-Israeli engagement in war with Iran may similarly influence the upcoming midterm elections. Such dynamics could lead to significant shifts in congressional seat distribution, potentially enabling Democrats to regain a congressional majority and posing a major challenge to the Trump administration.Main DeterminantsThe impact of the U.S.-Iran war on the midterm elections appears to be shaped by several key factors:1. Broad Congressional Opposition to the War: A significant number of Democratic lawmakers, along with some Republicans, oppose what is widely viewed as a war with unclear objectives and outcomes. Although the Senate failed on <a href="https://www.bbc.com/news/articles/c5yjj28jjd0o" rel="noopener noreferrer" target="_blank">March 4, 2026</a>, to pass a resolution aligned with the War Powers Act that would have limited President Trump’s ability to conduct further strikes against Tehran without congressional approval—due to the Republican majority—many Republicans who opposed the resolution indicated that their stance could change if the conflict escalates.These lawmakers have expressed concerns that continued involvement in the war could undermine their electoral prospects, particularly in the House of Representatives, where competitive races are expected in key swing states such as Colorado, Wisconsin, and Pennsylvania.2. Declining Public Support for the War: Despite warnings about the uncertain consequences of escalation and potential significant losses, Trump proceeded with the military action. According to a <a href="https://www.reuters.com/world/us/trump-presses-ahead-with-iran-war-despite-warnings-political-risk-midterms-2026-03-02/" rel="noopener noreferrer" target="_blank">Reuters/Ipsos poll published</a> on March 1, 2026, prior to reported U.S. casualties, approximately half of respondents believed Trump was overly permissive in his use of military force, while only one in four Americans supported the U.S. strikes that reportedly led to the death of Iran’s Supreme Leader, Ali Khamenei.In another poll conducted by <a href="https://thehill.com/homenews/administration/5768613-us-military-action-iran-poll/" rel="noopener noreferrer" target="_blank">NBC News</a> on March 4, 2026, 52% of respondents opposed military action against Tehran, compared to 41% who supported it. Similarly, a poll conducted by <a href="https://yougov.com/en-us/articles/54224-donald-trump-record-low-net-job-approval-second-term-february-27-march-2-2026-economist-yougov-poll" rel="noopener noreferrer" target="_blank">The Economist in collaboration with YouGov</a>, published on March 3, 2026, found that 59% of respondents expressed dissatisfaction with Trump’s performance, while only 38% approved—marking one of the lowest approval ratings during his second term.3. Public Frustration Over Taxpayer Spending: Some officials within the Trump administration noted that U.S. intelligence assessments did not clearly outline how escalation could be avoided following strikes on Tehran. Nevertheless, the president appeared motivated to project strength by pursuing regime change in Iran, despite growing risks of long-term consequences.Segments of the American public and several lawmakers argued that the war primarily serves Israeli interests. Senator Bernie Sanders, for instance, stated on X (formerly Twitter) on March 4, 2026, that <a href="https://x.com/SenSanders/status/2028952366066876803" rel="noopener noreferrer" target="_blank">Washington</a> had already provided more than $24 billion to Israeli Prime Minister Benjamin Netanyahu during the Gaza war, and that escalation with Iran reflected a continuation of that alignment.On March 20, 2026, Sanders <a href="https://x.com/SenSanders/status/2035007851366605094" rel="noopener noreferrer" target="_blank">opposed</a> a Pentagon request for an additional $200 billion in funding for the Iran war, arguing that U.S. military spending had exceeded $1 trillion for the first time in history, and that priority should instead be given to domestic investment.In parallel, an independent anti-war initiative launched a platform called the "<a href="https://iran-cost-ticker.com/" rel="noopener noreferrer" target="_blank">Iran War Cost Tracker</a>," calculating the cost of the war—launched on February 28, 2026—in real time, and allowing citizens to contact members of Congress to pressure them to end the conflict, mobilizing public opposition.4. Potential Erosion of Support Within the MAGA Base: Trump’s announcement on March 1, 2026—just one day after initiating strikes—that the war could last three to four weeks, along with expectations of additional American casualties and conflicting statements from administration officials regarding the conflict’s duration, caused discontent among segments of the MAGA (Make America Great Again) movement.These supporters had largely backed Trump due to his pledge to avoid foreign wars. Among them is former Republican Representative Marjorie Taylor Greene, who publicly <a href="https://x.com/mtgreenee/status/2029194893776584927" rel="noopener noreferrer" target="_blank">opposed</a> the war, arguing that it does not serve U.S. interests and could cost Republicans the midterm elections.Similarly, media figure <a href="https://abcnews.com/US/trumps-iran-decision-sparks-backlash-tucker-carlson-maga/story?id=130622270" rel="noopener noreferrer" target="_blank">Tucker Carlson</a>, influential within the MAGA base, criticized the administration’s decision to engage in the war. As a result, <a href="https://www.reuters.com/world/us/trump-presses-ahead-with-iran-war-despite-warnings-political-risk-midterms-2026-03-02/" rel="noopener noreferrer" target="_blank">Trump’s State of the Union</a> address in February 2026—which focused on economic and healthcare priorities—is unlikely to strongly resonate with this base. Some supporters may even abstain from the midterm elections, particularly if the war persists and negatively impacts the global economy and energy markets.5. Continued Influence of Lobbying Groups and Political Funding: Political financing is expected to play a significant role in the upcoming elections, similar to its impact during the Gaza war. Pro-Israel organizations, particularly <a href="https://www.politico.com/news/2026/03/01/democrats-israel-iran-midterms-00806235" rel="noopener noreferrer" target="_blank">the American Israel Public Affairs Committee (AIPAC)</a>, which supported strikes against what it described as the "terrorist regime" in Tehran, continue to provide substantial funding to pro-Israel candidates across both major parties.However, candidates face increasing pressure to distance themselves from AIPAC funding and to condemn Israeli military actions, a trend that may extend to the Iran war amid civilian casualties. In response, organizations such as AIPAC and the Democratic Majority for Israel PAC are likely to invest heavily to ensure the election of candidates aligned with their positions, particularly given the salience of Middle East issues among voters. Other advocacy groups, conversely, work to support candidates critical of Israeli policies.6. Providing Democrats with Additional Campaign Leverage: Democratic candidates have already begun incorporating the Iran war into their campaign narratives. For example, progressive candidate Kat Abughazaleh in Illinois—where primary elections were held on <a href="https://www.politico.com/news/2026/03/01/democrats-israel-iran-midterms-00806235" rel="noopener noreferrer" target="_blank">March 17, 2026</a>—highlighted concerns about the humanitarian consequences of the war and its impact on Iranian families in the U.S. She also criticized the allocation of taxpayer funds to what she described as "endless wars," drawing opposition from pro-Israel lobbying groups.Additionally, several Democratic lawmakers announced they will no longer accept funding from AIPAC-affiliated PACs, despite previously benefiting from such support, as part of efforts to rebuild trust with voters.Potential ConsequencesIf the war significantly affects electoral outcomes and contributes to Republican losses, several implications for the Trump administration may arise:1. Obstruction of Trump’s Legislative Agenda: Should Republicans lose their majority, Trump may face substantial difficulties in advancing his policy agenda or passing legislation. Democrats would likely seek to block administration initiatives and <a href="https://priceschool.usc.edu/news/midterm-elections-democracy-trump-ballots-gerrymandering/" rel="noopener noreferrer" target="_blank">revise spending priorities</a>, particularly in areas such as social programs and debt ceilings.This dynamic would be especially pronounced in the House of Representatives, where opposition to Trump’s policies could intensify. Prolongation of the war—along with global economic consequences affecting supply chains, trade, energy, and climate—could further impact public confidence in the administration.2. Increased Prospects for Democratic Victory in Presidential Elections: Historically, the president’s party tends to lose seats in midterm elections. While this trend is less pronounced in the Senate—where only <a href="https://priceschool.usc.edu/news/midterm-elections-democracy-trump-ballots-gerrymandering/" rel="noopener noreferrer" target="_blank">one-third</a> of seats are contested—Republicans remain concerned about potential losses in swing states such as <a href="https://www.axios.com/2026/02/06/gop-senate-midterms-2026" rel="noopener noreferrer" target="_blank">Michigan, Maine, and North Carolina,</a> as well as traditionally Republican states like Alaska, Iowa, and Ohio.All seats in the House are contested, making Democratic gains more likely. Moreover, declining approval ratings for Trump could negatively affect Republican prospects in the next presidential election.3. Potential Promotion of Election Fraud Narratives: In the event of electoral losses, Trump may seek to promote narratives of election fraud, as he did during his 2016 campaign and after the 2020 election. This occurs amid ongoing disputes between the federal government and states over election oversight, including federal monitoring <a href="https://priceschool.usc.edu/news/midterm-elections-democracy-trump-ballots-gerrymandering/" rel="noopener noreferrer" target="_blank">of polling stations and vote</a> counting.Additional controversies include executive orders—many of which were struck down by courts—regarding voter identification requirements and ballot deadlines. Redistricting processes conducted by both parties in recent years may also contribute to voter dissatisfaction, potentially intensifying political polarization.4. Possibility of Renewed Impeachment Efforts: If Democrats secure control of Congress, they may pursue a <a href="https://www.axios.com/2026/02/06/gop-senate-midterms-2026" rel="noopener noreferrer" target="_blank">third</a> impeachment attempt against Trump, following two previous efforts during his earlier presidency. This could escalate political tensions within the federal government and American society. Such efforts may involve renewed scrutiny of Trump’s alleged connections to the Jeffrey Epstein case, as well as controversies surrounding his management of economic and immigration policies.ConclusionWhile the outcome of the November midterm elections will be influenced by domestic issues such as the economy and immigration, foreign policy—particularly the ongoing Iran war—may play an increasingly significant role, especially if the conflict persists and generates substantial global repercussions.More broadly, the Trump administration was already facing considerable challenges prior to the war. This conflict—given its uncertain trajectory and potentially far-reaching consequences—could further compound those challenges in the period leading up to the elections.

What Impact Could the Iran War Have on the Upcoming U.S. Midterm Elections?