By Ernesto Castañeda, Joseph Fournier, and Mary Capone
October 1, 2024

Graph elaborated by the authors with data collected from CNN Politics’ Midterm Election Results.
The above graph represents the proportional success of candidates who used anti-immigration sentiment in their campaigns for the 2022 midterm elections. Results data was taken from CNN Politics. Anti-immigration rhetoric was found in campaign material through Meta Ad Library, X (formerly Twitter), debate responses, campaign website archives, YouTube ad searches, and general Google searches. We focused on competitive elections defined as having electoral results within a 10% margin between candidates. Candidates in these competitive elections who used ani-immigrant sentiment were no more likely to win the election than those who did not; in fact, more candidates who campaigned on anti-immigration lost than won in 2022. This data provides evidence that not being anti-immigration is not a hindering campaign decision. It may be quite the opposite.
Immigration often emerges as a prominent talking point among candidates in presidential, congressional, and gubernatorial elections. Former President Donald Trump frequently employs anti-immigration rhetoric and continues to campaign under similar sentiments about the allegedly dangerous porosity of the southern U.S. border. In the presidential debate in June of 2024 against President Joe Biden, Trump mentioned immigration in 42% of the 38 times he spoke while Biden mentioned immigration 13% of the time. In the subsequent debate against Vice President Kamala Harris, out of 38 times when Trump spoke for more than two sentences, he incorporated immigration 10 times (26% of the time). In comparison, Harris did so 4 out of 27 times (15% of the time).
Anti-immigration rhetoric has become practically synonymous with the Republican Party as these candidates often use immigrants as scapegoats for shortcomings in national security, economics, and crime control. While several Democratic candidates support anti-immigration policies as well, it is less commonly a key aspect of their campaigns. The graphic below indicates the overall tone of immigration speeches in Congress and the president by party from the late nineteenth century until 2020. While the data excludes 2022, it encapsulates the general trends of immigration sentiments over time.

Source: Card et al., 2022 published by the Proceedings of the National Academy of Sciences.
The top of the graph shows that trends in the rhetoric of Republican and Democratic congressional representatives were negative before the 1950s and became positive in both parties in the late 1950s and through the 1960s and 1970s. The divergence in sentiments is clearest in the early 1980s and beyond, with the greatest points of divergence occurring between 2000 and 2020. Card et al. acknowledge that the divergence also represents other trends in the polarization of other issues. However, they find that immigration polarization predated the rise in generic political polarization observed in Gentzkow et al. by more than a decade.
The lower part of the graph shows the variation in presidential sentiments through positive and negative language employed to discuss immigration. The anti-immigrant rhetoric of President Trump has been unseen since the presidency of Herbert Hoover. Overall, the graph represents the rise in anti-immigration rhetoric in congressional and presidential speeches by Republicans in recent years as it has become more of a political talking point.
Discourse gathered from the campaign sites and social media accounts of Republican candidates who ran in competitive elections in 2022 with anti-immigration campaigns includes several instances of strongly prejudiced statements. Republican Mark Robertson (Nevada District 1) sought to “turn off the illegal flow of people coming into our country… end chain-migration, visa lotteries and vacation-birth citizenship.” Ending “vacation-birth citizenship” implies a possible erasure of birthright citizenship. Anti-immigrant candidates describe policies like these in misleading ways to garner political support, despite understanding the implausibility of such a policy.
Many of these anti-immigrant candidates take further aim at immigrant children. Republican candidate for the Senate in Pennsylvania Mehmet Oz stated in an ad that, “The Biden administration’s failure on the border is so massive that they are flying illegal immigrants up to airports like this where illegal immigrants are being taken on buses. Now every state has become a border state.” The ad is filmed outside of Scranton-Wilkes-Barre Airport in Pennsylvania, an airport that has been instrumental in the facilitation of protecting unaccompanied migrant children. This airport and the role it plays in the migrant children protection apparatus made it a popular target for Pennsylvania Republicans in 2022. Jim Bognet (R), who ran for Congress in the district that includes the airport itself, ran an ad claiming “Joe Biden & Matt Cartwright still won’t STOP ghost flights of illegal immigrants into (Northeast Pennsylvania).” The reason for this secrecy is that these are minors whose identities are obscured to ensure their security. Many of these children come from vulnerable backgrounds, including a sixteen-year-old victim of sex trafficking seeking protection while awaiting possible testimony and an asylum claim. These children have become the target of a political stunt by the GOP in their attempt to create fear surrounding migration.
Numerous other candidates posit a link between undocumented immigration and drug cartels. Republican Congressman Bryan Steil, who won in Wisconsin District 1, claimed on his campaign website that “drug dealers (and) human traffickers” are crossing the border, framing it in such a way that implies the two are intertwined in their business dealings. Republican Congressman John James, who won reelection in 2022 for Michigan District 10, conducts a similar framing in a tweet highlighting “millions of illegal border crossings, millions of lethal doses of Chinese fentanyl.”
A more brazen example of such framing can be found in campaign material from Blake Masters’ failed bid for Arizona Senate, which shamelessly claims that “More than 225,000 illegal aliens pour into our country every month. And they bring enough fentanyl over each month to kill every American twice over.” In a recent conference on immigration at American University, Dr. Andrew Selee, head of the Migration Policy Institute, notes that these organizations are separate entities. Though they sometimes do collaborate, they are by no means the same and have independent organizational structures. This is a subtle yet important distinction that has been masked to criminalize migrants and conflate them with criminal enterprises such as drug cartels.
The criminalization of migrants was certainly not limited to linking them to cartels. Many candidates rely upon preconceived racist notions of immigrant populations (mostly Latinos) in making generalizations. Such candidates keep their statements on immigration vague, like Nevada Republican Senate hopeful Adam Laxalt: “[the] crisis at the border that has put communities across Nevada in danger…. [Laxalt] fought against dangerous sanctuary city policies and worked to help stop their spread.” The advantages yielded by anti-immigrant candidates in utilizing this sort of vagueness are twofold. The first is that it appeals to a voter base that has already constructed a negative bias toward immigrant populations, and it is this sort of rhetoric that energizes these voters. The second advantage of such vagueness is the removal of the burden of proof from Laxalt or other candidates. Because of this vagueness, the claim becomes difficult to disprove because the meaning can be fluid and easily manipulated at the whim of the candidate.
Similarly, a campaign ad from Republican gubernatorial candidate Kari Lake of Arizona claims to finish the southern border wall and reinstate the “Remain in Mexico” policy: “the best policy I’ve seen in my 27 years, it worked.” The “Remain in Mexico” policy, a Trump-era directive modified by President Biden, has been largely condemned by human rights groups. Multiple immigration advocates highlighted that the policy forced all migrants to wait on the Mexican side of the border, including those who are escaping persecution in Mexico, in unsafe and uncertified conditions while their asylum case were pending.
Overall, anti-immigration statements like those highlighted in the 2022 midterm election campaigns are prevalent across Republican candidates. Trends indicate a rise in such rhetoric in congressional and presidential speeches with a partisan divergence as Republican candidates are more likely to employ this as a strategy in campaigning. Nonetheless, there was limited success for anti-immigrant campaigns in the 2022 midterm elections. The data shows that anti-immigration rhetoric is not a guarantee for winning elections; in fact, it may be an electoral vulnerability as it does not lead to more success in competitive elections.
Ernesto Castañeda PhD, Director of the Immigration Lab and the Center for Latin American and Latino Studies, American University in Washington DC.
Joseph Fournier and Mary Capone are research assistants at the Immigration Lab and the Center for Latin American and Latino Studies at American University.
Sources
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James, John. (JohnJamesMI). “Our border is plagued with chaos – millions of illegal border crossings, millions of lethal doses of Chinese fentanyl & incompetence from the White House. I’m glad to support the House GOP’s Commitment to America to fund border security & put an end to human & drug trafficking.” September 26, 2022. 3:10 PM. Tweet. https://x.com/JohnJamesMI/status/1574476402392457217.
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