Reference · Understanding American Government
In brief: An executive order is a written, signed directive in which the President of the United States tells federal officials and agencies how to carry out the law. It has the force of law only when it rests on the President’s constitutional powers under Article II or on authority Congress has delegated by statute. Courts can strike orders down, Congress can override them, and any later president can revoke them with a new order.
What is an executive order?
The President manages the executive branch largely through written instructions. The best known of these is the executive order, which the Office of the Federal Register numbers and publishes as a formal, consecutive series.
There is no official definition: “neither the Constitution nor any statute provides an overarching definition of an ‘executive order,’” notes the Congressional Research Service (CRS, Executive Orders: An Introduction). In practice, it is a directive to government officials on how to run programs or enforce statutes. It is not a law passed by Congress and cannot create new legal authority on its own.
Where does the power to issue executive orders come from?
Every valid executive order must trace back to one of two sources.
- The Constitution (Article II). Article II vests “the executive power” in the President, makes the President commander in chief, and directs the President to “take care that the laws be faithfully executed.” Orders on military matters or on managing the executive branch often rest here.
- Statutes passed by Congress. Many laws give the President specific powers, such as setting rules for federal contractors or responding to declared emergencies. An order relying on a statute is only as strong as the power that statute actually grants.
When an order is grounded in proper authority, courts treat it as having the force and effect of law, according to the CRS. When it is not, it can be challenged and invalidated.
How are executive orders different from memoranda, proclamations and national security directives?
Presidents use several kinds of written directives. The CRS notes there is “no clear substantive distinction” between them other than how they are titled, and the Justice Department’s Office of Legal Counsel has said there is no difference in legal effectiveness between an executive order and other presidential directives (CRS). The differences are mostly about form, audience and publication.
| Type | Typically used for | Published in the Federal Register? |
|---|---|---|
| Executive order | Directing agencies and officials; numbered series | Yes, required |
| Presidential memorandum | Instructions to specific agencies or officials | Only when the President decides it has general applicability and legal effect |
| Proclamation | Matters affecting the public, ceremonial declarations, some trade and immigration actions | Yes, required |
| National security directive | Foreign, defense and intelligence policy | Generally no; often classified |
Proclamations have historically affected “the activities and interests of private individuals,” and in recent decades many have been commemorative, such as declaring national observances (CRS, Presidential Directives). National security directives change names with each administration, for example Reagan’s National Security Decision Directives and Clinton’s Presidential Decision Directives, and many remain secret for years. ## How are executive orders numbered and published?
Presidents have issued executive orders since George Washington, but early ones were not numbered and many were never recorded. The current numbering system dates to 1907, when the State Department assigned numbers to the orders in its files, reaching back to 1862 (American Presidency Project). Executive Order 1 is an 1862 order by Abraham Lincoln establishing a provisional court in occupied Louisiana. Hundreds of earlier, unnumbered orders exist, and their exact total is unknown.
Under the Federal Register Act of 1935, executive orders and proclamations must be published in the Federal Register, which began appearing in March 1936. Their text is also compiled in Title 3 of the Code of Federal Regulations, beginning with Executive Order 7316 of March 13, 1936 (National Archives).
How many executive orders has each president issued?
Counts below come from the American Presidency Project at UC Santa Barbara and cover executive orders only, not memoranda or proclamations. Franklin D. Roosevelt’s total includes some unnumbered orders.
| President | Years in office | Executive orders |
|---|---|---|
| Franklin D. Roosevelt | 1933–1945 | 3,726 |
| Harry S. Truman | 1945–1953 | 907 |
| Dwight D. Eisenhower | 1953–1961 | 484 |
| John F. Kennedy | 1961–1963 | 214 |
| Lyndon B. Johnson | 1963–1969 | 325 |
| Richard Nixon | 1969–1974 | 346 |
| Gerald R. Ford | 1974–1977 | 169 |
| Jimmy Carter | 1977–1981 | 320 |
| Ronald Reagan | 1981–1989 | 381 |
| George H.W. Bush | 1989–1993 | 166 |
| Bill Clinton | 1993–2001 | 364 |
| George W. Bush | 2001–2009 | 291 |
| Barack Obama | 2009–2017 | 276 |
| Donald Trump (first term) | 2017–2021 | 220 |
| Joe Biden | 2021–2025 | 162 |
| Donald Trump (second term) | 2025–present | 289 (as of October 2026) |
Trump’s second-term figure is a running total from the American Presidency Project. The Federal Register shows 225 orders signed in 2025 and 63 in 2026, numbered EO 14147 through EO 14434, the most recent signed September 29, 2026. Small differences between sources usually reflect publication lag.See also our guide to American presidents.
How can courts strike down an executive order?
People harmed by an order can sue, arguing that the President lacked authority or violated a constitutional right. The landmark case is Youngstown Sheet & Tube Co. v. Sawyer, decided June 2, 1952 (Justia).
During the Korean War, President Harry Truman issued Executive Order 10340 on April 8, 1952, directing the Secretary of Commerce to seize most of the nation’s steel mills to avert a strike. The Supreme Court ruled 6–3 that he had no such power, because no statute authorized the seizure and the Constitution gives lawmaking power to Congress.
Justice Robert Jackson’s concurring opinion became the standard test, still cited today (CRS):
- Category 1: When the President acts with the express or implied authorization of Congress, presidential power is at its maximum.
- Category 2: When Congress has been silent, the President acts in a “zone of twilight” where authority may be shared or uncertain.
- Category 3: When the President acts against the expressed or implied will of Congress, presidential power is “at its lowest ebb.”
- How can Congress override an executive order?
Congress can pass a law that modifies or cancels an order. In 1992, for example, it enacted a provision stating that “the provisions of Executive Order 12806 … shall not have any legal effect” (CRS). Congress can also repeal the statute an order depends on, or use its spending power to block funding for carrying the order out.
Such overrides are rare. A president can veto the bill, and overriding a veto requires a two-thirds vote in both the House and the Senate.
How do later presidents revoke executive orders?
This is the most common way an order ends. A new president can generally revoke or amend any predecessor’s order simply by signing a new one (CRS). On January 21, 2025, for example, President Trump signed Executive Order 14173, which states: “Executive Order 11246 of September 24, 1965 (Equal Employment Opportunity), is hereby revoked” (Federal Register). An order that had stood for nearly 60 years ended with one sentence.
What are some notable executive orders in history?
- Emancipation Proclamation (January 1, 1863). Technically a proclamation, not an executive order. Abraham Lincoln issued it as a war measure under his commander-in-chief power, declaring enslaved people free in states still in rebellion. It did not apply to loyal border states (National Archives).
- EO 9066 (February 19, 1942). Franklin Roosevelt authorized military commanders to exclude people from designated areas. It was applied to Japanese Americans, and about 122,000 people were forcibly removed and detained, nearly 70,000 of them U.S. citizens. In 1988 Congress formally apologized and provided $20,000 payments to survivors (National Archives).
- EO 9981 (July 26, 1948). Harry Truman ordered “equality of treatment and opportunity for all persons in the armed forces,” leading to the desegregation of the military (National Archives).
- EO 10730 (September 1957). Dwight Eisenhower federalized the Arkansas National Guard and sent U.S. Army troops from the 101st Airborne Division to enforce court-ordered school desegregation at Little Rock Central High School (National Archives).
- EO 11246 (September 24, 1965). Lyndon Johnson required federal contractors not to discriminate and to take affirmative steps toward equal employment opportunity. It was revoked in January 2025, as described above.
- EO 12333 (December 4, 1981). Ronald Reagan set the framework for U.S. intelligence activities, and the amended order remains in effect (American Presidency Project).
- DACA (June 15, 2012). Deferred Action for Childhood Arrivals was not an executive order but a memorandum from Homeland Security Secretary Janet Napolitano under President Obama. Its legality is still being litigated; as of a September 2025 Congressional Research Service update, renewals continued but new applications were not being processed (CRS).
- Tariff orders under IEEPA (2025). President Trump imposed broad tariffs through executive orders citing the International Emergency Economic Powers Act, including EO 14257 of April 2, 2025. On February 20, 2026, in Learning Resources, Inc. v. Trump, the Supreme Court ruled 6–3 that “IEEPA does not authorize the President to impose tariffs” (K&L Gates summary).
- EO 14160 on birthright citizenship (January 20, 2025). The order directed agencies not to recognize citizenship for certain U.S.-born children of parents who were unlawfully or temporarily present. On June 30, 2026, in Trump v. Barbara, the Supreme Court held the order unconstitutional under the Fourteenth Amendment, in an opinion by Chief Justice John Roberts (CRS).
Compare these with the laws in our overview of landmark legislation.
Why do presidents rely so heavily on executive action?
Modern presidents issue far fewer executive orders than Franklin Roosevelt did, but use of memoranda has “drastically increased” in recent decades, according to Pew Research Center. Pew also found that President Trump issued more executive orders in the first 11 months of his second term than in his entire first term; before him, the last president to top 100 in a first year was Truman in 1945.
Executive action is fast and does not require winning votes in a closely divided Congress. Its weakness is durability: what one president signs, the next can undo.
Why do executive orders shape how voters see a president?
Signing ceremonies can project decisiveness, but public reaction is more complicated. Political scientists Andrew Reeves and Jon Rogowski found that public support for unilateral presidential power is generally low and stable. It rises in situations such as national security threats or congressional inaction, and it depends partly on how people feel about the sitting president (Reeves and Rogowski, 2016).
Partisanship colors these judgments. In a September 2025 Pew survey, 51% of Americans said President Trump was doing “too much” by executive order, including 80% of Democrats and 23% of Republicans (Pew Research Center).
Uncertainty also matters. A study of more than 140,000 people in 69 countries found that economic uncertainty increased preference for “dominant” leaders over “prestige” leaders, an effect linked to people’s sense of lacking personal control (Kakkar and Sivanathan, PNAS, 2017). For more on how such findings fit together, see our explainer on political psychology and our political commentary.
Key takeaways
- An executive order is a presidential directive to the executive branch that has legal force only when backed by Article II or a statute passed by Congress.
- Executive orders, memoranda and proclamations differ mainly in form and publication, not legal strength; executive orders must be numbered and published in the Federal Register.
- Courts apply Justice Jackson’s three-category test from Youngstown (1952): presidential power is strongest with Congress’s support and weakest against it.
- Congress can override orders by law, though vetoes make this rare; later presidents most often end orders simply by revoking them.
- As of October 2026, President Trump has issued 289 executive orders in his second term, more than in his entire first term.
More in Understanding American Government
- The American Presidents: A Short History of the Office
- Presidential Approval Ratings Through History
- Landmark Laws That Shaped America
- Treaties and International Agreements: How the U.S. Makes Them
Sources
- Executive Orders statistics — The American Presidency Project, UC Santa Barbara
- 2026 Donald Trump Executive Orders — Federal Register
- Executive Orders: An Introduction (R46738) — Congressional Research Service
- Presidential Directives: Background and Overview (98-611) — Congressional Research Service
- Youngstown Sheet & Tube Co. v. Sawyer, 343 U.S. 579 (1952) — Justia
- Executive Order 14173 — Federal Register
- Executive Order 9066 — National Archives
- Trump v. Barbara: Supreme Court Holds Birthright Citizenship Executive Order 14160 Unconstitutional — Congressional Research Service
- Trump has already issued more executive orders in his second term than in his first — Pew Research Center
- Unilateral Powers, Public Opinion, and the Presidency — Reeves and Rogowski, The Journal of Politics
Part of the brossi.us reference library, written for readers of Dr. Bart Rossi, PhD. Last reviewed October 2026.