The Republic at 250: What Actually Endured, By the Numbers

One document, still in force

The United States declared independence on July 4, 1776, which makes today the 250th anniversary of the founding act (National Archives, Declaration of Independence, 1776). The government that grew from it runs on a document written eleven years later. Delegates signed the Constitution in Philadelphia on September 17, 1787, and it took effect in 1789 (National Archives, Constitution of the United States). It is the oldest written and codified national constitution still in force anywhere in the world (Constitution Center, The U.S. Constitution).

That is a measurable claim, not a sentiment. Older polities exist. Older written frameworks of national government, in continuous operation, do not. Whatever else is contested about the American record, the single fact of the charter's longevity is settled and countable.

Twenty-seven changes out of more than eleven thousand tries

The Constitution has been amended 27 times (National Archives, Amendments 11-27). The first ten, the Bill of Rights, were ratified together in 1791. The rest arrived in clusters tied to the country's hardest arguments. Two came in 1795 and 1804. Three followed the Civil War, ratified between 1865 and 1870, ending slavery and defining citizenship. Four landed in the Progressive Era between 1913 and 1920, including the income tax, direct election of senators, and women's suffrage. Seven more were ratified between 1933 and 1971, and the last, the 27th, was ratified in 1992 after a 202-year path from proposal to adoption.

The denominator is the striking part. Members of Congress have formally proposed more than 11,000 constitutional amendments since 1787. Twenty-seven have been ratified (National Archives, Constitutional Amendment Process). The framework is durable because it is deliberately hard to change, and the record shows exactly how hard: fewer than one proposed amendment in 400 has ever become law.

Forty-seven presidencies, one office

The presidency has been held under 47 numbered terms by 45 individuals, the gap explained by the two men elected to non-consecutive terms, Grover Cleveland and Donald Trump (Britannica, List of Presidents of the United States, 2026). The legislature has convened continuously since 1789 and now sits as the 119th Congress, seated for the 2025 to 2027 term (U.S. House of Representatives, History). Across 250 years the country has transferred executive power dozens of times through election, and every time the office itself outlasted its occupant.

This is the premise the rankings on this site rest on. The office is permanent and the scorecard is comparable across it. When we grade the record, we grade it the same way for every holder, which is why our ranking of the most influential justices and our measure of presidents by judicial legacy both reach back across the full span rather than the current news cycle.

What the anniversary settles, and what it does not

The durable facts are not in dispute. The country is 250 years old as of today. Its constitution is the oldest in continuous force, amended 27 times out of more than 11,000 attempts, and its offices have survived 47 presidencies and 119 Congresses. Those numbers do not depend on party, mood, or the current approval reading.

What the anniversary does not settle is any judgment about whether the record is good or the direction right. That argument is legitimate and permanent, and it belongs to the reader. The framework here supplies only the counted parts: the dates, the tallies, the tenure. If the durability of the structure and the intensity of the argument over it seem to point in opposite directions, both are true at once, and both are documented.