To become President of the United States, you need to meet three constitutional qualifications, register a campaign with the Federal Election Commission, secure a spot on the ballot in every state (usually by winning a major party’s nomination), and then collect at least 270 of the 538 electoral votes on Election Day. Once Congress confirms the count, you take the oath of office at noon on January 20. Every step has legal requirements attached, and missing any of them can end a run before it starts.
Meet the Three Constitutional Qualifications
Article II of the Constitution sets an unusually short list. You must be a natural-born citizen of the United States, at least 35 years old, and a resident of the country for at least 14 years.1Constitution Annotated. Article 2 Section 1 Clause 5 Nothing more. No degree, no prior office, no military service.
A few details are worth pinning down. The Supreme Court has never precisely defined “natural-born citizen,” but legal consensus covers both people born on U.S. soil and people born abroad to American citizen parents. The 14 years of residency don’t have to be consecutive. And the age requirement runs to the date you’d take office, not the date you announce a campaign.
Check That Nothing Disqualifies You
Meeting the three qualifications isn’t always enough. Three constitutional provisions can block a run.
The 22nd Amendment caps any individual at two elected terms. If you served more than two years of someone else’s term as an unelected acting president, you can only be elected once on your own.2Congress.gov. U.S. Constitution – Twenty-Second Amendment
Impeachment can also produce a permanent bar. Under Article I, Section 3, if the House impeaches you and the Senate convicts by a two-thirds vote, the Senate can then hold a separate vote to bar you from ever holding federal office again.3Congress.gov. Article 1 Section 3 Clause 7 That disqualification vote requires only a simple majority.4Legal Information Institute. U.S. Constitution Annotated – ArtI.S3.C7.1 Overview of Impeachment Judgments Conviction is hard; the bar that follows is comparatively easy.
Section 3 of the 14th Amendment disqualifies anyone who once swore an oath to support the Constitution and then engaged in insurrection or rebellion.5Congress.gov. Fourteenth Amendment Section 3 Congress can lift that bar, but only with a two-thirds vote in both chambers.
Register Your Campaign With the FEC
Federal law decides when you legally become a candidate. The moment you (or people acting on your behalf) receive contributions or make expenditures totaling more than $5,000, you’re a candidate.6Office of the Law Revision Counsel. 52 USC 30101 – Definitions From that point you have 15 days to file a Statement of Candidacy (FEC Form 2) with the Federal Election Commission, identifying yourself, the office you’re seeking, and your principal campaign committee.7Federal Election Commission. Instructions for Statement of Candidacy – FEC Form 2
The campaign committee then has 10 days of its own to file a Statement of Organization (FEC Form 1), which names a treasurer and identifies the bank where campaign funds will be deposited.8Federal Election Commission. Instructions for Statement of Organization – FEC Form 1 Every dollar the campaign raises or spends has to move through that account. Federal law wants a clean paper trail so contribution limits can be enforced and spending publicly reported.
Contribution Limits
For the 2025–2026 cycle, individuals can give up to $3,500 per election to a presidential campaign, adjusted for inflation every two years.9Federal Election Commission. Contribution Limits for 2025-2026 The primary and general elections count separately, so a single donor could contribute $3,500 for the primary and another $3,500 for the general. Corporate contributions and money from foreign nationals are prohibited outright.
Choose a Path to the Ballot
You can seek a major party’s nomination or run as an independent or third-party candidate. Most serious contenders take the party route because the infrastructure is already there: donor networks, state parties, and automatic ballot access in all 50 states.
Running outside the two major parties is a heavier lift. Independent and third-party candidates typically have to collect tens of thousands of voter signatures in each state to appear on the ballot, and the deadlines and thresholds vary widely by state. Filing fees also vary from nothing to a percentage of the office’s annual salary depending on jurisdiction.
Win the Primaries and the Delegates
Inside a major party, the nomination is decided by delegates chosen through primaries and caucuses in each state. Each state runs its own contest under rules set jointly by the state and the party, and you have to qualify for each ballot separately, usually by gathering a set number of signatures from registered voters before a deadline. Miss the deadline or fall short, and you’re not on that state’s ballot at all.
Delegates are the actual prize. Some states award them winner-take-all; others hand them out proportionally to the vote share. Those delegates go to the national convention pledged to a candidate. Lock up a majority of delegates before the convention and the nomination is effectively yours. If nobody has a majority on the first ballot, the convention moves to additional rounds in which delegates can be released from their pledges, and the outcome opens up.
Win at Least 270 Electoral Votes
The general election falls on the first Tuesday after the first Monday in November every four years.10USAGov. Overview of the Presidential Election Process When voters cast a ballot for a presidential candidate, they’re technically voting for a slate of electors pledged to that candidate.
Each state has a number of electors equal to its total congressional delegation: one for each House member plus two for its senators. The District of Columbia gets three electors under the 23rd Amendment, bringing the total to 538.11Constitution Annotated. Overview of Twenty-Third Amendment, District of Columbia You need 270 to win.12National Archives. Electoral College Timeline of Events
After Election Day, the winning electors in each state meet on the first Tuesday after the second Wednesday in December to formally cast their votes for president and vice president on separate ballots.13Office of the Law Revision Counsel. 3 USC 7 – Meeting and Vote of Electors Those results are signed, certified, and sent to Congress.14Congress.gov. Twelfth Amendment On January 6, the Senate and House meet in joint session to count the electoral votes and confirm the winner.15Office of the Law Revision Counsel. 3 U.S. Code 15 – Counting Electoral Votes in Congress
If Nobody Reaches 270
When no candidate wins a majority of electoral votes, the 12th Amendment sends the presidential election to the House of Representatives in what’s called a contingent election. The House picks from the top three electoral vote recipients, but the voting works differently: each state delegation gets exactly one vote, no matter how many representatives the state has.16Congressional Research Service. Contingent Election of the President and Vice President by Congress California’s 52-member delegation gets one vote; so does Wyoming’s lone representative. A candidate needs 26 state votes to win. The District of Columbia has no vote in a contingent election, despite its three electoral votes in the regular process.
If the House still can’t pick a president by noon on January 20, the vice president-elect serves as acting president. If neither office has been filled, the Presidential Succession Act names who serves until the deadlock breaks.16Congressional Research Service. Contingent Election of the President and Vice President by Congress
Take the Oath and Take Office
The 20th Amendment sets the transfer of power at noon on January 20. At that moment the outgoing president’s term ends and the new term begins, whether the ceremony is on schedule or not.17Legal Information Institute. 20th Amendment
Before exercising any presidential authority, the president-elect must take the oath of office prescribed in Article II: a commitment to faithfully execute the office and to preserve, protect, and defend the Constitution.18Congress.gov. Constitution Annotated – Article 2 Section 1 Clause 8 The ceremony is traditionally held on the Capitol steps with the Chief Justice administering the oath, though neither the location nor the person administering it is constitutionally required. The moment the oath is complete, the new president holds full executive authority.