How many states does it take to block an amendment?

Asked by: Holden Thompson  |  Last update: April 29, 2026
Score: 4.7/5 (55 votes)

To block a U.S. Constitutional amendment, 13 states (less than one-third) can prevent ratification, as an amendment needs approval from three-fourths (38 out of 50) of states, meaning only 12 can approve, and 13 can reject it. This "minority rule" power allows a small number of states, even if they represent a small portion of the population, to stop a proposal, as seen with past attempts like the Equal Rights Amendment (ERA).

How many states to overturn an amendment?

Congress must call a convention for proposing amendments upon application of the legislatures of two-thirds of the states (i.e., 34 of 50 states). Amendments proposed by Congress or convention become valid only when ratified by the legislatures of, or conventions in, three-fourths of the states (i.e., 38 of 50 states).

Can states ignore amendments?

Thus, the federal courts have held that under the Constitution, federal law is controlling over state law, and the final power to determine whether federal laws are unconstitutional has been delegated to the federal courts. The courts therefore have held that the states do not have the power to nullify federal law.

Why is it so hard to add an amendment to the US Constitution?

Second, compared to other ways of changing laws, it is very difficult to amend the Constitution. For an amendment to be approved, two-thirds of both houses of Congress must pass the amendment. (An amendment can also pass with a two-thirds vote at a national convention, but this has never happened before).

What is the world's most difficult Constitution to amend?

Far from being a badge of honor, the distinction of topping the global charts on constitutional rigidity is cause for alarm. Ancient and virtually impervious to amendment, the United States Constitution has withstood all modern efforts to renovate its outdated architecture on elections, federalism, rights, and beyond.

Why is the US Constitution so hard to amend? - Peter Paccone

16 related questions found

Can a president overturn an amendment?

The Constitution does not give a president the power to violate the Constitution, create or change congressional statutes, or override U.S. Supreme Court decisions—no matter what the EOs say.

How to overturn an amendment?

There are two ways to repeal an amendment. One way is for the proposed amendment to be passed by the House and the Senate with two-thirds majority votes. Then, the proposed amendment would have to be ratified by three-fourths of the states. The second way to repeal an amendment is to have a Constitutional Convention.

How many of the 13 states were required to agree in order for something to pass?

The Founding Fathers now had to get the states to agree to the document and to vote in favor of it. Nine states needed to vote for the Constitution for it to be accepted.

How many states must ask for an amendment convention?

34 states are required for a convention to be called.

Can states overrule the Constitution?

The core message of the Supremacy Clause is simple: the Constitution and federal laws (of the types listed in the first part of the Clause) take priority over any conflicting rules of state law.

Who can overrule the Constitution?

When the Supreme Court rules on a constitutional issue, that judgment is virtually final; its decisions can be altered only by the rarely used procedure of constitutional amendment or by a new ruling of the Court. However, when the Court interprets a statute, new legislative action can be taken.

Which state tried to nullify federal laws?

Nullification Crisis, in U.S. history, confrontation between the state of South Carolina and the federal government in 1832–33 over the former's attempt to declare null and void within the state the federal Tariffs of 1828 and 1832.

Has any amendment ever been repealed?

The amendment was proposed by Congress on December 18, 1917, and ratified by the requisite number of states on January 16, 1919. The Eighteenth Amendment was repealed by the Twenty-first Amendment on December 5, 1933, making it the only constitutional amendment in American history to be repealed.

Has Article V ever been used?

Overview. Article V of the U.S. Constitution provides two avenues for amending the Constitution. One of those avenues – an Article V Convention – has never before been used, in part because it could put the entire Constitution on the chopping block.

Which amendment states you can't be tried twice?

The Fifth Amendment states in part, “… nor shall any person be subject for the same offence to be twice put in jeopardy of life or limb…” This is known as the Double Jeopardy Clause, and it prevents the government from prosecuting someone for the same crime once they have been either acquitted or convicted.

How long did it take for all 13 states to ratify it?

Between December 7, 1787, and June 21, 1788, the required 9 of 13 states ratified the Constitution making it the official framework for the government of the United States of America. All 13 states eventually ratified the U.S. Constitution by May 29, 1790.

What was the U.S. called before 1776?

Before 1776, the lands that became the United States were known as British America, consisting of the Thirteen Colonies, and were often collectively called the United Colonies, a name used by the Continental Congress before officially adopting the "United States of America" in September 1776. Native American cultures had their own names, like "Turtle Island," for the continent, while Europeans explored various territories, but "America" as a single entity was a European concept. 

How many of the 13 states are needed to pass laws?

The founders set the terms for ratifying the Constitution. They bypassed the state legislatures, reasoning that their members would be reluctant to give up power to a national government. Instead, they called for special ratifying conventions in each state. Ratification by 9 of the 13 states enacted the new government.

Can an amendment be struck down?

On 1 January 2024, the Supreme Court ruled 12-3 that it may reject amendments to Basic Laws in "extreme" circumstances. That specific amendment was struck down by an 8–7 vote.

What are the 4 unratified amendments?

These unratified amendments address the size of the U.S. House (1789), foreign titles of nobility (1810), slavery (1861), child labor (1924), equal rights for women (1972), and representation for the District of Columbia (1978).

How many states are needed to repeal a constitutional amendment?

First, amendment can take place by a vote of two-thirds of both the House of Representatives and the Senate followed by a ratification of three-fourths of the various state legislatures or conventions in three-fourths of the states (ratification by thirty-eight states would be required to ratify an amendment today).

How difficult is it to change a constitutional amendment?

The amendment process is very difficult and time consuming: A proposed amendment must be passed by two-thirds of both houses of Congress, then ratified by the legislatures of three-fourths of the states. The ERA Amendment did not pass the necessary majority of state legislatures in the 1980s.

What are 5 things the President can't do?

The U.S. President cannot make laws, declare war, decide how federal money is spent, interpret laws, or overturn Supreme Court decisions; these powers are checked by Congress and the Judiciary, highlighting the system of checks and balances in American government. 

Has the Constitution ever been completely rewritten?

The United States has never re-written its Constitution. Why not? The United States Constitution is older than the current Constitutions of both Norway and the Netherlands. Thomas Jefferson believed that written constitutions ought to have a nineteen-year expiration date before they are revised or rewritten.