President Donald Trump and former President Barack Obama have both put their political weight behind candidates in the 2026 midterm elections, but their endorsements reflect two markedly different approaches to shaping their respective parties.
Both presidents have moved to back candidates in key races across the country, but Trump often casts his net wide and early, handing out endorsements in the primaries months before voters head to the polls. Obama, however, has historically held back, waiting to offer his support in the general election once contentious primaries have concluded.
The difference reflects distinct roles the two presidents have carved out within their parties: Trump uses endorsements to shape the Republican Party itself, while Obama has generally deployed his political capital after Democratic voters have done much of the choosing.
Trump’s MAGA machine
Trump has historically backed candidates who align with his “Make America Great Again” movement, setting aside electability to support Republicans who would further his political agenda.
In this year’s primaries, the president often handed out endorsements touting candidates as “MAGA warriors” and citing aspects of their platforms that align with his own policy objectives.
Trump held off endorsing a GOP candidate in Georgia’s Senate primary this year until the hopefuls headed to a runoff, when the president threw his support behind Rep. Mike Collins (R-GA), who has run a Trump-aligned “America First” campaign.
Trump criticized Collins’s competitor, football coach Derek Dooley, for saying Trump lost the 2020 election, which has been a red line for the president.
Additionally, Trump has also wielded the anti-endorsement, backing candidates challenging incumbents he has deemed “Republicans in name only” because they have strayed from his vision on certain issues.
Trump’s anti-endorsements were on full display in Indiana’s May primary, when the president endorsed a slate of candidates running against incumbent state senators who voted against redrawing the state’s congressional map, a measure Trump pushed for.
The same was the case for Sen. Bill Cassidy (R-LA), who was ousted in Louisiana’s Republican primary election by Trump-backed challenger Rep. Julia Letlow (R-LA). The anti-endorsement of Cassidy stemmed from the senator’s vote to remove Trump from office after the Jan. 6, 2021, Capitol riot.
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While Trump often inserts himself in high-profile races, pushing for candidates who reflect the party’s right flank, the president occasionally shows restraint.
For example, longtime incumbent Sen. Susan Collins (R-ME) is a centrist Republican who received the president’s backing in her reelection bid. Trump could have propped up a challenger but stuck with Collins because a MAGA Republican is not likely to win a statewide election in Maine.
Obama’s unity strategy
Over the years, Obama has taken what appears to be a much more calculated approach, backing candidates who project party unity and staying out of highly contentious races.
While in office, the former president campaigned for downballot Democratic candidates in the 2010 and 2014 midterm election cycles, with limited success. The Tea Party wave in 2010 broke his administration’s initial control over Congress.
Obama also endorsed a slate of Democratic candidates, including in state legislative races for swing states. At the time, presidential engagement in races so far down the ballot was unprecedented.
Once he was out of office, Obama endorsed a slew of House candidates in 2018, as well as some Senate, gubernatorial, and state legislature hopefuls, just 100 days before the general election. The former president handed out over 200 endorsements in what turned out to be a blue wave against Trump, who was in his first term.
Obama offered a unifying message as the reason for his endorsements, which were focused on competitive races, saying he was supporting candidates “who aren’t just running against something, but for something.”
However, in recent years, the former president has been more selective in his endorsements.
Obama has often remained on the outside of divisive intraparty contests while focusing his political influence on races where Democrats believe they have an opportunity to win or protect an important seat.
A prime example of this strategy played out in Virginia’s 2025 gubernatorial race, in which Gov. Abigail Spanberger (D-VA) was elected the state’s first female governor. Obama waited until October to stump for Spanberger, endorsing her over then-Lt. Gov. Winsome Earle-Sears, the Republican nominee. Obama appeared in digital ads for Spanberger and joined her at a rally in Norfolk during the final weekend of the campaign.
Obama similarly backed Gov. Mikie Sherrill (D-NJ) in New Jersey’s gubernatorial contest that year, another marquee race viewed as an early test of the political environment ahead of the 2026 midterm elections.
The approach does not mean Obama exclusively backs centrists. The distinction between his and Trump’s approach to endorsements is more often about timing: Obama generally allows Democratic voters to settle contested nominations before lending his name.
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A mixed record of success
The different endorsement strategies have also produced markedly different records at the ballot box, though comparing the two presidents is complicated by when and where they choose to get involved.
Trump has historically posted overwhelming success in Republican primary elections, where his endorsement has become among the most coveted in the party, proving his strong connection with the base. In 2020, Trump’s primary success rate was 97%, according to Ballotpedia. During the 2022 midterm elections, while out of office, Trump’s primary endorsement success rate was about 93%.
However, general elections paint a different picture for Trump, whose record often slips when his preferred candidates face a larger audience. In 2020, his general election success rate was 79%, and in 2022, it was 84%.
Obama’s broadest endorsement push came in 2020 and produced much less impressive results. After backing over 200 candidates, Obama saw just a 40% success rate in the general election. The former president had cast a particularly wide net that year, spreading his support beyond headlining contests and including candidates far down the ballot.
Obama has since been considerably more selective with his endorsements, particularly compared with the sprawling list from 2020. His involvement has shifted to focus on high-profile races where Democrats see an opportunity to flip a GOP-held seat, defend a vulnerable one, or otherwise affect the balance of power.
In the 2026 midterm elections, with nearly all primaries now played out, Obama has backed just three partisan candidates. Josh Turek, who is running for an open Senate seat in Iowa; James Talarico, who is running for an open Senate seat in Texas; and Gina Hinojosa, who is challenging Gov. Greg Abbott (R-TX), have all received Obama’s support.
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Trump and Obama’s numbers capture two different kinds of political power.
Trump’s record demonstrates his ability to influence who Republican voters nominate, with his endorsement functioning as a seal of approval in GOP primaries. Obama’s more selective involvement largely tests whether a former president can help already-selected Democratic nominees take on the GOP.