How many votes are needed to repeal an amendment? — How many votes are needed to repeal an amendment?

Explain the constitutional amendment process: definition and quick context

What Article V says in plain terms

To explain the constitutional amendment process in plain terms, start with Article V of the U.S. Constitution, which sets the routes for proposing and ratifying amendments and therefore determines how a repeal could happen. Article V gives two proposal options: Congress can propose an amendment by a two-thirds vote in both the House and the Senate, or two-thirds of state legislatures may call a convention to propose amendments. For a clear reference to the text, consult the Article V text on the National Archives site Article V text.

Those two routes make the structure simple to state and sometimes tricky in practice. A proposal that aims to repeal an existing amendment must win the same constitutional approvals as any other amendment. The three-quarters ratification rule means that, when there are 50 states, 38 state approvals are required for an amendment to become part of the Constitution, regardless of who proposed it. The Congressional Research Service explains the thresholds and how they apply in modern practice CRS report on amendment process. See our guide to where to read the Constitution here.

Why the process matters for repeal questions

When readers ask how many votes are needed to repeal an amendment, they are asking about two separate thresholds: the votes to propose and the approvals to ratify. The proposing step determines who drafts and forwards the amendment text and the ratifying step determines whether the nation adopts it. For verification of those core rules, the National Archives hosts the Constitution and official transcripts for original texts Constitution transcript.

Understanding these steps matters because a proposal can look like a win at one stage but fail at another. Many public discussions focus on whether a majority or a supermajority is enough; the Constitution makes that explicit through the two-thirds and three-quarters rules, which control the formal route to a repeal.

Explain the constitutional amendment process: numeric votes in Congress and what they mean

How the two-thirds requirement translates to actual votes

Two-thirds of each chamber is a concrete number of votes: in the Senate that is 67 votes out of 100, and in the House of Representatives it is 290 votes out of 435. The Congressional Research Service summarizes these contemporary vote counts and how they apply when Congress proposes an amendment CRS report on amendment process. See a law school summary of Article V and amendment practice here.

Those counts matter for repeal efforts because a repeal proposed by Congress must meet the same two-thirds thresholds as any other congressional proposal. Practically, that means a sponsoring measure to repeal an amendment must secure broad cross‑chamber support to proceed to the ratification stage, and organizers usually plan campaigns and state outreach with these numeric realities in mind.

Why those counts matter for repeal efforts

Reaching 67 Senators and 290 Representatives is the constitutional gate to making a repeal proposal legally available for ratification. A congressional majority alone does not remove an amendment; it only authorizes a proposed change to go forward subject to state ratification. The National Archives and the CRS provide the official rules and historical practice that explain these distinctions Article V text.

Campaigns and civic groups that pursue repeal often focus on the congressional vote because it signals political feasibility and sets the next phase in motion. But the congressional vote is only a step; planners must also secure the route and momentum that will produce 38 state ratifications.

Campaigns and civic groups that pursue repeal often focus on the congressional vote because it signals political feasibility and sets the next phase in motion. But the congressional vote is only a step; planners must also secure the route and momentum that will produce 38 state ratifications.

Explain the constitutional amendment process: how proposals by state convention would work and open questions

What it means for state legislatures to call a convention

Article V allows state legislatures to call for a convention to propose amendments if two-thirds of state legislatures agree, which currently means 34 states must make such a call. This alternative route is sometimes called an Article V convention or a state-called convention, and readers should note that it is a constitutionally authorized but untested path in U.S. history. The Constitutional text on the National Archives gives the original language that authorizes this route Article V text. The Constitution Center also provides a clear summary of Article V Article V – Constitution Center.

Because no Article V convention has yet produced a ratified amendment, many procedural questions remain open, including how delegates would be chosen, what the scope of proposals could be, and what rules would govern the convention. The Library of Congress and other historical reviews discuss these unanswered operational questions and their implications Library of Congress discussion. The constitution.congress.gov essay on proposals by convention discusses unresolved questions as well ArtV convention essay.

Unanswered procedural issues about an Article V convention

The lack of historical precedent means the state-called convention route raises practical uncertainties that can affect any repeal strategy. Key open questions include whether individual states can limit delegates to specific topics, how to resolve disputes about the convention’s scope, and whether federal courts would intervene to enforce or restrain certain actions. The Senate historical office has noted the unresolved, practical issues that accompany an Article V convention call Senate historical overview.

Because these procedural details are unsettled, organizers who propose the state convention path must prepare for legal and political fights over setup and authority, and journalists should treat claims about convention outcomes cautiously until procedures and delegates are clearly specified.

Explain the constitutional amendment process: ratification methods and the Twenty-first Amendment example

Congress chooses the ratification mode

When Congress proposes an amendment, it also specifies how states will ratify it: either through state legislatures or through state ratifying conventions. That choice affects how states record their approval and which state processes apply for each ratification. The CRS report and the Constitution text explain that Congress has this authority when making the proposal CRS report on amendment process.

The difference matters for repeal questions because Congress can select the ratification route that it judges most likely to produce the three-quarters threshold, and that choice can change the practical politics in each state during the ratification phase.

How the Twenty-first Amendment used state conventions to repeal an earlier amendment

The Twenty-first Amendment, ratified in 1933, is the only amendment that expressly repealed an earlier amendment, and Congress chose state ratifying conventions as the method of ratification in that case. The National Archives discusses the Twenty-first Amendment and how it used conventions to complete the repeal of the Eighteenth Amendment National Archives on the Twenty-first Amendment.

That historical example shows both that repeal is constitutionally possible and that Congress can shape the ratification path. It also illustrates why the state convention option can be decisive in a repeal effort when state legislatures may be divided or constrained by state rules.

Explain the constitutional amendment process: practical steps and timeline for proposing and ratifying a repeal

Typical sequence from proposal to ratification

A typical sequence for a repeal begins with a formal proposal, either by Congress or by a convention called under Article V, followed by Congress stating the mode of ratification, state-level consideration and votes or conventions, and the tallying of state approvals until three-quarters of the states have ratified. Official records for each step are usually congressional resolutions and state legislative journals or convention certifications, which the National Archives and CRS identify as the authoritative documents CRS report on amendment process.

Because each stage produces a paper trail, reporters and researchers should expect to find a clear sequence of documents: a congressional resolution text, certified state legislative acts or convention outcomes, and federal notification of completion once the requisite number of states has ratified.

How long ratification can take and historical ranges

Ratification timelines have varied widely. Some amendments were adopted quickly, while others took years or even decades to reach the necessary state approvals. Congress has in some cases set deadlines for ratification and in others has not. Historical patterns and legal reviews show that timing can be controlled by deadlines attached to proposals or left open, which affects how long a repeal campaign might take Library of Congress review.

Disputes about timing, including questions about whether late ratifications count, can lead to court involvement, and those disputes often hinge on the language in the proposing resolution and the legal posture of the pending issue.

Explain the constitutional amendment process: legal and political decision points to watch

Who decides ratification details and why it matters

Congress has authority to specify the ratification method when it proposes an amendment, and states have varied legal processes for recording ratifications, so the interaction between federal direction and state rules is an important decision point. For an overview of the legal framework, consult the CRS and the constitutional text CRS report on amendment process.

These decision points matter because a seemingly procedural choice, such as selecting state conventions versus legislatures, can change which actors control the outcome at the state level and how quickly ratifications can be secured.

Where court challenges could arise

Courts may be asked to resolve disputes such as whether a state’s ratification met its own legal requirements, whether a state convention stayed within its scope, or whether Congress validly prescribed a ratification method. Historical and legal analyses identify these as common areas for litigation in high‑stakes amendment fights Library of Congress discussion.

Because courts can affect timing and validity, legal challenges are a predictable feature of contentious repeal efforts and should be anticipated in planning and reporting.

Explain the constitutional amendment process: common errors and misconceptions to avoid

Miscounting votes and misunderstanding thresholds

A common error is to conflate a simple majority with the constitutional two-thirds and three-quarters thresholds. For example, a majority of either chamber does not suffice to propose an amendment under Article V; two-thirds is required, and ratification requires three-quarters of the states, which equals 38 state approvals today. The CRS summary makes these numeric thresholds explicit and helps correct miscounts CRS report on amendment process.

Another frequent mistake is treating a state petition or public campaign statement as equivalent to a formal legislative ratification; only certified actions by state legislatures or properly convened state ratifying conventions count toward the three-quarters threshold.

Mistaking a proposed amendment for ratification

Readers should remember that a proposed amendment is not in force until the required number of state ratifications is certified. Reporting that describes a repeal as complete before state ratification is recorded confuses the proposal stage with the ratification stage and can mislead audiences about legal status.

To avoid that error, check for certified state journals or convention certificates and, if possible, rely on the National Archives or official congressional notices that confirm when the final ratification tally is reached.

Explain the constitutional amendment process: how to read official sources and records

Primary sources to check

Primary sources to consult include the Constitution itself, the congressional resolution that proposes an amendment, congressional journals that show vote tallies, and state legislative journals or convention certifications that record ratifications. The National Archives and Congress.gov are standard starting points for these documents Constitution transcript, and our constitutional-rights hub collects related material.

For analytical context and summaries that interpret the primary sources, the Congressional Research Service provides accessible reports that explain thresholds, timelines, and historical practice, which can help readers verify claims made in media coverage CRS report on amendment process.

How to verify state ratifications

To verify state ratifications, look for certified entries in state legislative journals or an official certificate from a state ratifying convention, depending on the mode Congress chose. Each state’s secretary of state or equivalent office often posts official records, and national repositories aggregate final tallies once federal notification occurs.

Because certification practices vary, journalists should cite the mode Congress selected and the specific state record that documents the action rather than relying on secondary summaries alone.

Explain the constitutional amendment process: practical scenarios – what a repeal attempt might look like

Scenario A: Congressional proposal to repeal an amendment

1) Congress drafts repeal language and debates a resolution. 2) The resolution must pass by two-thirds in both chambers. 3) Congress specifies ratification by state legislatures or state conventions. 4) States vote or hold conventions, and certified approvals are recorded until three-quarters, or 38 states, have ratified. The National Archives and CRS outline the formal steps and record types for each stage Constitution transcript.

Bottlenecks in Scenario A usually appear at the congressional vote stage when the sponsor must secure broad cross‑party support, and later again at state ratification where political and legal dynamics vary by state.

Scenario B: State-driven effort to trigger an Article V convention

1) State legislatures pass resolutions calling for a convention, aiming to reach 34 states. 2) If the two-thirds threshold is reached, a convention would be assembled to propose amendments. 3) Any proposed amendment would still require ratification by three-quarters of the states. Because no Article V convention has yet produced a ratified amendment, procedural uncertainty is a major bottleneck in this scenario. The Library of Congress notes the untested nature and open procedural questions for state-called conventions Library of Congress discussion.

In Scenario B, the most likely stumbling points are delegate selection, scope disputes, and potential litigation over whether the convention stayed within any agreed limits.

Explain the constitutional amendment process: state-by-state role and counting to 38 ratifications

How states register ratifications

States register ratifications either by a recorded vote of the state legislature or by certification from a state ratifying convention, depending on the mode Congress required. Those state records are typically part of each state’s legislative journal or a convention certificate that becomes the official documentary proof of ratification.

Federal practice recognizes the mode of ratification that Congress prescribes, and the National Archives compiles the official record of ratifications once the requisite number of states has certified their approvals National Archives ratification records.

What counts as an official ratification under federal practice

Under federal practice, an action counts toward the three-quarters threshold only when it matches the ratification method specified by Congress and is officially certified according to state procedures. The congressional resolution that proposes the amendment is the authoritative source for which ratification method applies, and the CRS report describes how these formalities affect the counting of ratifications CRS report on amendment process.

Because states have different rules for certification, careful reporting should cite the exact state record being relied upon when noting that a particular state has ratified.

Explain the constitutional amendment process: checklist for journalists and civic readers

Check the proposing body and the vote tallies to confirm whether the two-thirds thresholds were actually met in each chamber.

Confirm whether Congress specified the ratification method and then look for the specific state legislative journal entries or convention certificates that document each ratification.

Watch for claims about an Article V convention that assume procedural details that do not yet exist, and flag any missing primary documents as a red flag.

Explain the constitutional amendment process: common reporting mistakes and how to avoid them

Errors in counting and attribution

Reporting errors often arise from unclear attribution or incomplete documentation. Do not report a repeal as complete without citing certified state ratifications and the congressional resolution that set the ratification method. The CRS report and primary constitutional text are useful references for confirming what constitutes official action CRS report on amendment process.

Sample neutral phrasing includes noting that official records show a proposed measure passed Congress by two-thirds and that certification of state ratifications is pending, rather than stating that a repeal has taken effect before the final tally is confirmed.

How to phrase uncertainties and open questions

When procedural questions are unresolved, use conditional language and cite the specific source of the uncertainty. For example, note that legal analysts say a dispute may be likely or that historical precedent is absent, and then point readers to the statutory or constitutional text that frames the issue.

Avoid definitive language when a convention route is proposed but procedures have not been set, and instead describe the steps that must occur before a proposed amendment becomes effective.

Explain the constitutional amendment process: sample timeline and annotated example of a repeal effort

Annotated timeline from proposal to the 38th ratification

Step 1: Draft and introduce proposal in Congress or reach 34 state calls to trigger a convention. Step 2: If Congress proposes, secure two-thirds votes in both chambers. Step 3: Congress specifies ratification method. Step 4: States consider the measure via their legislatures or ratifying conventions and record certified approvals. Step 5: Once 38 states have certified their ratifications, the Archivist typically recognizes the amendment as adopted. These steps and the types of records to collect are described in the constitutional text and CRS summaries Article V text.

At each timeline point, reporters should record the citation: congressional resolution text and vote record, state legislative journals or convention certificates, and any federal notices acknowledging completion. These citations establish the documentary trail that confirms a repeal has legally occurred.

Where records and citations should be placed

Citations belong with the claim. Place the congressional roll call reference next to the claim that Congress proposed an amendment, and place the state certification reference next to any statement that a particular state ratified. National repositories and the CRS identify the documents and formats that are typically authoritative for each stage CRS report on amendment process.

Keeping sources close to their claims helps readers follow how each approval contributes to the overall three-quarters tally and reduces the chance of misreporting.

Explain the constitutional amendment process: final summary and where to read the primary sources

Key takeaways

The concrete numbers to remember are these: two-thirds of the House and Senate to propose an amendment via Congress, which translates today to 290 votes in the House and 67 votes in the Senate, and ratification by three-quarters of the states, which means 38 state approvals when there are 50 states. The CRS report and the Constitution provide these thresholds and their modern application CRS report on amendment process.

The alternative proposal route through a state-called Article V convention requires 34 state calls to trigger, but it remains untested in practice and raises procedural uncertainties that merit scrutiny before accepting claims about likely convention outcomes.

Links and primary sources to consult

Primary sources to consult include the Constitution text on the National Archives site, congressional records and roll call tallies on Congress.gov, and analytical summaries by the Congressional Research Service for context. For the historical repeal example, the National Archives provides materials on the Twenty-first Amendment and its ratification by state conventions National Archives on Twenty-first Amendment. For background about Article V and amendment proposals, see the Constitution Center Article V summary. For more about this site and resources, see our About page.

Rely on primary materials for claims about proposal and ratification status, and treat speculative or procedural assertions about an Article V convention as provisional until concrete procedures and delegates are identified.

References and tools

For primary documents, check the National Archives and the CRS summaries, and consult state legislative journals or convention certifications for state-level actions.