Understanding the 22nd Amendment: Limits and Legal Frameworks The 22nd Amendment of the U.S. Constitution limits presidents to two elected terms. This constitutional safeguard emerged after Franklin D. Roosevelt's four terms, aiming to prevent the consolidation of power. For those exploring potential changes, amending the Constitution requires a two-thirds majority in Congress or a convention by two-thirds of state legislatures, followed by ratification from three-fourths of the states. How do t