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The written, entrenched and sovereign constitution aims to place stringent limits on presidential action in a variety of ways. This page describes how the president can be influential over the Supreme Court. However, presidents can be limited by the Supreme Court, which can and does uphold constitutional rules against them.
Presidents typically 'lose' Supreme Court cases in every year of their presidency.
There is an array of constitutional regulations on presidential power. Some rules are so clear that it is unlikely any president would break them — for example, the maximum two-term rule or the ratification of justices by the Senate. In other cases, the Supreme Court can use its considerable power of judicial review to overturn either the actions of the president or the president's favoured policies.
The president's only formal power over the Supreme Court lies with nominations at a time of vacancy. This gives the president influence over the ideological balance of the Court. The nomination of Merrick Garland by President Obama in 2016 may have had a huge impact on the rulings of the Court. Before this, the Court had a 5-4 conservative majority but with the death of one of those five, a strong conservative, Antonin Scalia, Obama had the opportunity to tip the balance in favour of liberals. Another major tipping in the overall ideological balance of the court occurred with the appointment in 1991 of conservative Justice Clarence Thomas to replace the devoutly liberal Thurgood Marshall.
Traditionally, it was believed that the President's power to influence the Supreme Court through appointments was limited.This was because term limits placed on the President meant they were likely only to have the opportunity to appoint a limited number of justices, perhaps one or two.Since Supreme Court Justices could choose when to retire, they typically did so when their ideology aligned with the sitting President, meaning that conservative Presidents generally appointed conservative Justices and liberal Presidents appointed liberal Justices. However, conservatives tended to view the Supreme Court as inherently liberal, and it became a Republican project, beginning with Reagan and continuing under subsequent Republican presidents, to create a conservative court and until Donald Trump they had some but limited success. Trump, however has had a major influence on the court, making three appointments in his first term. The death of Ruth Bader Ginsburg, a liberal justice, allowed Trump to replace her with a significantly more conservative justice, Amy Coney Barrett, in October 2020. Justice Coney Barrett, President Trump’s third appointee, was perhaps the most significant, allowing him to secure a clear conservative majority on the court.
Neil Gorsuch 7 Apr 2017 54–45 replaced Antonin Scalia Conservative (Deceased)
Brett Kavanaugh 6 Oct 2018 50–48 Anthony Kennedy Conservative Swing (Retired)
Amy Coney Barrett 26 Oct 2020 52–48 Ruth Bader Ginsburg Liberal (Deceased)
This resulted in some rulings which are very conservative:
Case study Trump & the Supreme Court
However, while Presidents can change the composition, they have virtually no influence over any one of the nine Justices who make a decision, including the ones they have appointed. Justices have life tenure, so the president can make no threat of removal against them.
The role of the presidency is to defend the law and the Constitution, which means executing Supreme Court decisions. Presidents sometimes give a hostile response to court rulings, however. Obama criticised the court for its Citizens United ruling, while many of them sat in the audience of his 2010 State of the Union address. More controversially, there have been some occasions when presidents have challenged the legitimacy of a court ruling and attempted to undermine it. Trump immediately clashed with the judiciary in 2017, attacking the judge who halted his immigration ban. Referring to District Judge Robart as a `so called Judge,' Trump instructed the US public to blame the judge if anything went wrong. Even Senior Republicans such as Mitch McConnell were critical of Trump's approach.
The numbers tell a clear story. There are a total of 816 active federal judges comprising the supreme court, the 13 appellate courts, and 91 district courts. In just one term Trump was able to appoint 28% of those judges due to past and continuing vacancies. Most importantly, he appointed 33% of America’s nine supreme court justices and 30% of the appellate judges. The vast majority of his appointments were white males – not one of his 54 appellate judges is Black. But what really stands out is the age of his appointees. The average age of his appellate judges was 47 (five years younger than those selected by Barack Obama). Six of those were in their 30s, and 20 were under 45. By contrast, of the 55 appellate judges picked by Obama – in eight years, not four – none were in their 30s and only six were younger than 45.
Trump’s judicial appointments will shape American jurisprudence for decades to come. The Federal Judicial Center has found that this age disparity means that Trump judges will serve 270 more years than Obama’s judges, and they will decide thousands more cases. Moreover, the average tenure for a supreme court justice has increased from 15 years in the early 1970s to 27 years in more recent years, due in large part to the younger age of the justices at the date of appointment.
The Trump legacy of judicial appointments is most apparent in the recent behavior of the supreme court. A new term has been coined – the shadow docket – which refers to the sudden uptick in emergency requests filed by the government. In the 16 years preceding the Trump presidency only eight such requests were filed, and, of those, only four were granted. By contrast, during Trump’s four-year term, 41 such applications were made, of which 24 were granted – a 70% success rate that supported Trump’s policies. These cases are heard without full briefing, without oral argument, and often result in a single-sentence order as opposed to a full reasoned opinion.
One such decision overturned, by a 5-4 order, a Wisconsin trial court order allowing an extension for the receipt of absentee ballots. The last-minute supreme court decision issued the day before the election caused chaos and confusion. A second example of how the now safely pro-Trump court supported his policies involved his administration’s rule prohibiting migrants from seeking asylum in the US before seeking it in the countries through which they had travelled. The lower court suspended enforcement of this unprecedented rule, but the supreme court allowed the ban to take effect immediately even as the case proceeded through the lower courts. Another particularly disturbing example involved four death penalty cases where a lower court halted four executions because the use of pentobarbital to kill the prisoners would constitute cruel and unusual punishment. In a 5-4 ruling, issued after 2am, the stay was overturned and at least one of the executions carried out – the first federal prisoner to be executed in 17 years.
Most recently, in yet another emergency appeal, the supreme court by a 5-4 margin, refused to block the newly enacted Texas law banning abortion after six weeks of pregnancy, allowing that rule to be enforced for the foreseeable future. This emergency request was brought by abortion providers after the very conservative fifth circuit court of appeals, to which Trump had appointed six judges, stopped the trial court from holding a hearing as to whether the new law could take immediate effect. A month later a trial judge blocked the law from taking effect and the fifth circuit promptly reversed. The Department of Justice is now appealing that decision to the supreme court.
The Supreme Court declined to block a Texas law banning most abortions in a 5-4 decision.
Chief Justice John Roberts and the court’s three liberal justices, Stephen Breyer, Sonia Sotomayor and Elena Kagan, dissented in the late Wednesday move.
The narrowly decided opinion, issued in a single paragraph, dealt a major blow to abortion access in Texas. It also underscored the significance of the court’s ideological shift to right under former President Donald Trump. A
In 2022, President Biden publicly criticized the Supreme Court's ruling in Dobbs v Jackson, calling it a “tragic error.” This decision overturned the constitutional protection for abortion established in Roe v Wade in 1973. Biden urged voters to elect more Democrats to Congress in the midterm elections of 2022 to strengthen abortion rights. He stated that Congress could create a law guaranteeing the right to abortion, which all states would have to follow. Additionally, he directed the Department of Health and Human Services to ensure access to reproductive health clinics and protect the privacy of users. (See Executive Orders) This situation highlights the ideological conflict within the court and suggests that the president may influence future decisions by the justices, who might consider his criticisms.
The case, Biden v Texas (2021), forced the Biden administration to abandon his more liberal approach of allowing asylum seekers to cross the border to process their claims and to return to more restrictive policies.
Presidents can propose a change to the Constitution to reverse a Supreme Court decision. Some have even suggested expanding the court by adding more justices. The Constitution does not set a specific number of justices, so a president could quickly increase the total by two or three to gain a majority. However, the idea of expanding the court has never been carried out. Franklin Roosevelt was the last president to seriously consider this in 1937.
Presidents cannot control the Supreme Court. They cannot decide cases against the court's wishes. This is due to their limited power over it. The court operates independently, which protects justices from outside influence, including from the president. The president's main role related to the court is to make nominations, but this does not give them control. However, this does not imply that the Supreme Court holds more power than the president. Presidents greatly shape U.S. policy in ways the Supreme Court does not. It is hard to claim that the president has any dominance over the court.
In the landmark case Trump v. United States (decided 1 July 2024), the U.S. Supreme Court ruled for the first time that former presidents possess broad immunity from criminal prosecution for official acts committed while in office.
In a 6–3 decision divided along ideological lines and authored by Chief Justice John Roberts, the conservative majority established a three-tiered framework defining the limits of presidential legal liability.
Absolute Immunity: Presidents have total immunity from criminal prosecution for actions that fall within their "core constitutional purview" and exclusive executive authority. The Court explicitly ruled that Trump’s discussions with Justice Department officials regarding potential election fraud fell into this category.
Presumptive Immunity: Presidents are presumed immune for all other "official acts" falling within the wider perimeter of their responsibilities. This presumption can only be overcome if prosecutors prove that bringing criminal charges would pose absolutely no danger or intrusion into executive branch functions. The Court categorised Trump’s pressure on Vice President Mike Pence to alter election certification as a presumptively immune official act.
No Immunity: Presidents enjoy zero criminal immunity for purely private or "unofficial" acts.
Tariffs: Justices appeared sceptical during November 2025 arguments about whether the president has unilateral authority to impose sweeping tariffs under national emergency powers (Learning Resources v. Trump).In a landmark 6-3 ruling on 20 February 2026, the US Supreme Court blocked a significant portion of President Trump's global tariffs, specifically those imposed under the International Emergency Economic Powers Act (IEEPA)
Scope and Aftermath
What was Blocked: The ruling specifically struck down the "Liberation Day" tariffs and those targeting Canada, Mexico, and China for fentanyl trafficking.
What Remained: Tariffs imposed under other laws—such as those for steel and aluminium—were not affected by this specific ruling.
Immediate Response: Within hours of the decision, President Trump announced he would reimpose a 10% global baseline tariff (later raised to 15%) using Section 122 of the Trade Act of 1974, a different legal tool that allows for temporary 150-day tariffs. This may all be illegal.
Louisiana v. Callais (28 April 2026) — The Dismantling of Section 2 of the Voting Rights Act
In a 6–3 decision authored by Justice Samuel Alito, the conservative majority severely weakened Section 2, which protects minority voters from discriminatory redistricting maps.
Ruling: The Court struck down a Louisiana congressional map that featured two majority-Black districts, declaring it an unconstitutional "racial gerrymander". [1, 2]
The New Limit: The Court ruled that race cannot be the primary factor when drawing or mandating equitable voting maps. Furthermore, it established that a state’s redistricting map can only be challenged under Section 2 if litigants can prove intentional racial discrimination.
The Impact: Civil rights advocates and dissenting Justice Elena Kagan noted that the ruling effectively allows states to racially gerrymander as long as they frame the lines as permissible partisan gerrymandering, making Section 2 nearly inoperable
Trump v. Cook / Trump v. Slaughter: These cases test whether the president has the absolute constitutional authority to fire independent agency heads and Federal Reserve governors (such as Fed Governor Lisa Cook) without standard statutory "for cause" protections.
The Birthright Citizenship Challenge: The justices are deciding the legality of Trump’s high-profile executive order aiming to end birthright citizenship for the children of undocumented immigrants, with several justices expressing skepticism over whether a president can bypass the 14th Amendment via executive decree.
The power of the Presidency has expanded greatly since the drafting of the Constitution, and the Supreme Court has tended to allow this expansion. However, Trump is pushing the boundaries of presidential power farther than most modern presidents. The Supreme Court cases that will determine his ability to overturn birthright citizenship and to extend his power to dismiss heads of independent federal agencies will test how far the Court will permit Trump to go.