The presidency is the office and role of being president, the leader of a country or organization. In the United States, the presidency means being the head of the executive branch of government, responsible for enforcing laws, commanding the military, and representing the nation to the world.

When someone wins a presidential election, they take on enormous responsibilities that come with the title. The president works with Congress to shape policy, appoints judges and cabinet members, responds to crises, and makes decisions that affect millions of people. George Washington established many traditions during his presidency that later presidents followed, like serving only two terms (a tradition that became law after Franklin Roosevelt's four terms).

The word can apply beyond national government. A company might have a president, or a club at school might elect someone to the presidency of their organization. In these cases, the role involves leading meetings, making decisions, and representing the group.

A presidency can be evaluated by what the president accomplished: Did they handle crises well? Did they keep their promises? Did they bring people together or divide them? A successful presidency requires winning an election and then earning trust through leadership, judgment, and character during years of difficult decisions.