Yes, having multiple wives is illegal in all 50 states in the United States. No matter where you live, being legally married to more than one person at the same time is a crime. The only question that varies by state is how serious that crime is and how aggressively it gets prosecuted.
What surprises most people is that the law treats the paperwork, not the relationship. You can live with multiple partners. You can call yourself spiritually married to more than one person. The crime happens the moment you sign a second marriage license while the first one is still valid.
This article covers exactly what the law says, how Utah changed things in 2020, what Mormons can and can’t do legally, how penalties break down by state, and what the real-world enforcement picture looks like in 2026.
If you’re curious, considering a plural relationship, or just want to understand this law clearly, everything you need is below.
Is It Illegal to Have Multiple Wives
Yes, having multiple wives through legal marriage is illegal in every US state. This is known as polygamy or bigamy under the law, and it has been prohibited nationwide since the 19th century. No state offers a legal pathway to hold two valid marriage licenses simultaneously.
The prohibition is rooted in both state criminal codes and a long line of federal legal precedent. The US Supreme Court upheld the criminalization of polygamy in Reynolds v. United States as far back as 1879, ruling that religious belief doesn’t exempt someone from laws against it. That ruling has held for nearly 150 years.
The law draws a sharp line between having multiple legal spouses and simply living with multiple partners. Cohabitation with multiple adults is generally not a crime. The crime is the act of legally marrying someone while already married to someone else.
Think of it like a driver’s license. You can drive different cars, but you can only hold one valid license at a time. A second marriage certificate while the first is active is the legal equivalent of fraud against the state.
- Polygamy is illegal in all 50 US states
- The Supreme Court upheld the ban in Reynolds v. United States (1879)
- The crime is signing a second marriage license while already legally married
- Religious belief is not a recognized legal defense
- Cohabitation with multiple partners is a separate issue and generally legal
Is It Legal to Have Multiple Wives in the US
No, it is not legal to have multiple wives in the US through formal marriage. All 50 states criminalize the act of entering into a legal marriage while a prior marriage remains in effect. The distinction the law makes is between legal marriage and informal partnership arrangements, which are treated very differently.
Federal law doesn’t directly criminalize polygamy the way state laws do, but it supports the prohibition through statutes like the Edmunds Act of 1882, which explicitly targeted plural marriage, and through immigration law that bars entry of individuals who practice or have practiced polygamy. The result is a consistent nationwide ban reinforced at both levels.
The situation in the US sits in sharp contrast to roughly 50 countries worldwide where polygamy is legally recognized. In those countries, typically in parts of Africa and the Middle East, a husband can register multiple legal wives with the state. That system has no equivalent anywhere in the United States.
| Legal Framework | Status in the US |
|---|---|
| Polygamous legal marriage | Illegal in all 50 states |
| Federal polygamy prohibition | Supported through immigration law and Edmunds Act |
| Religious exemption for polygamy | Rejected by US Supreme Court |
| Cohabitation with multiple partners | Generally legal; not marriage |
| Common law recognition of plural marriage | No state recognizes it |
Is It Illegal to Have Multiple Wives in the US
Yes, having multiple wives in the US is a criminal offense in every state, typically charged as either bigamy or polygamy. Both terms refer to the act of marrying one person while legally married to another. The criminal classification, whether it’s a misdemeanor or felony, depends on the state.
The federal government reinforces state-level bans through immigration law. Under 8 U.S.C. 1182, anyone who practices or has practiced polygamy is inadmissible to the United States. Polygamy is also treated as a disqualifying factor in naturalization proceedings.
Historically, the federal government prosecuted polygamy directly in US territories before those territories became states. The Morrill Anti-Bigamy Act of 1862 and the Edmunds Act of 1882 were specifically designed to target plural marriage among early Mormon settlers in what is now Utah. Those federal statutes set the legal tone that all subsequent state laws have followed.
Quick Facts: Federal and State Prohibition
- All 50 states: polygamy criminalized as bigamy or similar offense
- Federal immigration law: polygamists are inadmissible to the US
- Edmunds Act (1882): federal ban on plural marriage in territories
- Supreme Court precedent: Reynolds v. United States (1879)
- Naturalization: polygamy practice disqualifies applicants
Is It Legal to Have Multiple Wives
No, it is not legal to have multiple wives anywhere in the United States through formal legal marriage. However, the question often confuses two separate things: legal marriage and personal relationships. Those are treated very differently under US law.
The law only criminalizes the act of obtaining a second marriage license while a first remains valid. It does not criminalize loving multiple people, living with multiple adults, or even describing yourself as “spiritually married” to more than one partner. The paperwork is the crime, not the arrangement itself.
This is why some plural families exist openly in states like Utah without prosecution. They consist of one legally married couple and additional partners who are not legally married to anyone in the household. That structure, while socially and personally complex, avoids the specific legal violation.
- Legal multiple marriage: always illegal in the US
- Spiritual or informal plural relationships: not a crime in most states
- Living with multiple adult partners: generally legal
- Calling a non-legal relationship a “marriage”: not a crime
- Signing a second marriage certificate: criminal regardless of intent
Key Takeaway: Having multiple legal wives is a crime in all 50 US states. The law targets the act of obtaining multiple marriage licenses, not the existence of plural relationships or cohabitation arrangements.
Is It Legal to Have 2 Wives in USA
No, it is not legal to have 2 wives simultaneously in the USA through legal marriage. Marrying a second person while still legally married to the first is the crime of bigamy, and every state in the country prosecutes it. There are no exceptions for how long the first marriage has been inactive, how informal it was, or whether the first spouse consents.
The “2 wives” framing is the most common way bigamy actually occurs. Someone gets married, the relationship falls apart, they never bother with a divorce, and years later they marry again without realizing (or ignoring) that the first marriage is still technically valid. That scenario makes up the majority of bigamy prosecutions across the US.
Consent from all parties doesn’t change the legal outcome. Even if your first wife knows about your second wife and supports the arrangement, the second marriage is void and you face criminal charges. The law doesn’t have a “consenting adults” carve-out for simultaneous legal marriage.
| Scenario | Legal Outcome |
|---|---|
| Married twice, first marriage never dissolved | Bigamy; second marriage void |
| First spouse consents to second marriage | Still bigamy; consent is irrelevant |
| Divorced before second marriage | Legal second marriage |
| First marriage from another country, second in US | Bigamy if first is valid |
| Spiritual marriage, no second license obtained | Not bigamy under the law |
| Common law marriage before second legal marriage | Depends on state recognition; may be bigamy |
What States Is Polygamy Legal
Polygamy is not legal as formal marriage in any US state. Not one. There is no state where you can walk into a county clerk’s office and obtain a second marriage license while your first marriage remains valid.
The confusion often comes from how different states handle plural cohabitation or how aggressively they enforce polygamy laws. Some states have reduced polygamy from a felony to a lower-level offense, which people sometimes mistake for legalization. Lower penalties don’t mean legal permission.
Utah comes closest to a permissive approach after its 2020 law change, but even there, bigamy remains a crime. What Utah did was reduce the punishment for cohabitation-based polygamy specifically, not remove the prohibition. Every other state still treats it as a misdemeanor or felony.
| State | Polygamy Classification | Maximum Penalty |
|---|---|---|
| Utah | Infraction (cohabitation-based, post-2020) | Fine of $750 |
| Arizona | Class 5 felony | Up to 2.5 years |
| Mississippi | Felony | Up to 10 years |
| Michigan | Felony | Up to 5 years |
| Oklahoma | Felony | Up to 5 years |
| California | Misdemeanor | Up to 1 year in jail |
| Texas | Felony | Up to 2 years |
Is It Legal to Have Multiple Wives in Utah
No, having multiple legal wives in Utah is still a crime, but Utah made a significant change in 2020 that dramatically reduced the penalties for polygamous cohabitation. Utah HB 99, signed into law in 2020, reduced the charge for polygamy based on cohabitation from a third-degree felony to an infraction, similar to a traffic ticket.
Before 2020, polygamy in Utah was a third-degree felony carrying up to five years in prison and a $5,000 fine. That made Utah’s law among the harshest in the country despite being the state most associated with polygamous communities. The 2020 change reflected a deliberate policy shift to stop treating plural families as serious criminals.
The key distinction is between cohabitation-based polygamy and polygamy combined with other crimes. If someone in a plural family also commits fraud, child abuse, or welfare fraud, the charges can still be elevated to felony level. The infraction status applies specifically to consenting adult plural families without additional criminal conduct.
Quick Facts: Utah Polygamy Law 2026
- Pre-2020 penalty: third-degree felony, up to 5 years in prison
- Post-2020 penalty: infraction, fine up to $750
- Governing law: Utah Code 76-7-101, amended by HB 99 (2020)
- Bigamy (obtaining second license): still a misdemeanor or felony
- Cohabitation alone: infraction only
- Combined with other crimes: can revert to felony charges
Key Takeaway: Utah reduced polygamous cohabitation from a felony to an infraction in 2020, but legal multiple marriage remains a crime there and in all other US states.
Utah Polygamy Law 2020 Change
Utah’s 2020 polygamy law change, enacted through HB 99, was one of the most significant shifts in US polygamy enforcement in a century. The law downgraded simple polygamous cohabitation from a third-degree felony to an infraction for consenting adults, with a maximum fine of $750.
The change came after years of advocacy from plural families, including a high-profile campaign by the Brown family of the reality TV show “Sister Wives.” They argued, and Utah legislators agreed, that treating peaceful plural families as serious felons was disproportionate and made victims of abuse within those communities less likely to seek help from authorities.
The 2020 law preserved felony-level charges for cases where polygamy is combined with other crimes including fraud, abuse, and exploitation. It also left untouched the misdemeanor charge for actually obtaining a second marriage license. The reform addressed cohabitation, not legal marriage.
| Utah Polygamy Scenario | Pre-2020 Charge | Post-2020 Charge |
|---|---|---|
| Cohabitation as plural family | Third-degree felony | Infraction ($750 max) |
| Obtaining second marriage license | Misdemeanor | Misdemeanor (unchanged) |
| Polygamy plus fraud | Felony | Felony (unchanged) |
| Polygamy plus child abuse | Felony | Felony (unchanged) |
| Spiritual marriage without license | Gray area | Gray area (unchanged) |
The 2020 change has influenced how other states think about their own polygamy laws. As of 2026, no other state has followed Utah’s lead, but several have seen advocacy groups push for similar reforms.
Is Polygamy a Felony
Whether polygamy is a felony depends on the state. In most US states, bigamy (which is the legal term for marrying someone while already legally married) is classified as a felony. In some states, it’s a misdemeanor. In Utah specifically, simple cohabitation-based polygamy was reduced to an infraction in 2020.
Arizona classifies polygamy as a Class 5 felony with penalties up to 2.5 years in prison. Mississippi treats it as a felony carrying up to 10 years. Michigan, Oklahoma, and Texas all classify it as a felony with multi-year prison exposure. California is one of the few states that treats bigamy as a misdemeanor, with a maximum of one year in county jail.
The felony classification matters enormously beyond just the prison time. A felony conviction for bigamy can result in loss of voting rights, loss of professional licenses, immigration consequences, and a permanent criminal record. In states where it remains a felony, the consequences extend far beyond any jail sentence served.
| State | Classification | Maximum Prison Time |
|---|---|---|
| Arizona | Class 5 felony | 2.5 years |
| Mississippi | Felony | 10 years |
| Michigan | Felony | 5 years |
| Oklahoma | Felony | 5 years |
| Texas | Felony | 2 years |
| California | Misdemeanor | 1 year |
| Utah (cohabitation) | Infraction | No prison time |
What Is the Penalty for Polygamy in the US
The penalty for polygamy in the US ranges from a $750 infraction fine in Utah to up to 10 years in prison in Mississippi. The wide range reflects how differently states classify the offense. Federal-level penalties apply in immigration and naturalization contexts, where a history of polygamy can result in deportation or denial of citizenship.
Most states that classify bigamy as a felony carry penalties in the two-to-five-year range for first offenses. Aggravating factors like fraud, abuse, or targeting vulnerable individuals can increase those penalties significantly. A person who marries a second partner specifically to commit financial fraud may face fraud charges stacked on top of the bigamy charge.
State-level fines vary as widely as prison terms. Some states impose fines up to $10,000 on top of prison time. Others set fines at $1,000 or less. In the jurisdictions where bigamy remains a lesser offense, fines tend to be the primary punishment rather than incarceration.
Quick Facts: Penalty Range Summary
- Minimum penalty (Utah, cohabitation): $750 fine, no jail
- Maximum state penalty (Mississippi): up to 10 years
- Typical felony range: 2 to 5 years in prison
- Federal immigration consequence: deportation or inadmissibility
- Naturalization consequence: disqualification from US citizenship
- Additional charges (fraud, abuse): stack on top of bigamy penalties
Key Takeaway: Polygamy penalties range from a minor fine in Utah to a decade in prison in Mississippi. The criminal classification (felony vs. infraction) varies by state and dramatically affects life consequences beyond prison time.
Is Polygamy Enforced in the US
Polygamy is rarely prosecuted aggressively in the US as of 2026, particularly when it involves consenting adults with no accompanying crimes. Most states technically have bigamy laws on the books, but actual prosecutions are uncommon and tend to involve additional offenses like fraud, welfare abuse, or crimes against minors.
Utah’s 2020 law change reflected an explicit policy decision to stop pursuing plural families criminally unless other crimes were involved. That philosophy has spread informally to enforcement culture in several other states, even where the laws haven’t been formally updated. Prosecutors in Arizona and Nevada have publicly stated they prioritize cases where exploitation or financial crimes accompany polygamy.
The most active enforcement area involves immigration fraud. Attempting to bring a foreign spouse to the US while already married, or concealing a prior marriage during immigration proceedings, triggers federal investigation and prosecution. The Department of Justice and Department of Homeland Security both prioritize immigration-related polygamy fraud.
- Consenting adult plural families: rarely prosecuted in most states
- Polygamy with fraud: actively prosecuted at state and federal levels
- Polygamy with child abuse or exploitation: prosecuted aggressively
- Immigration fraud involving plural marriage: federal priority
- Utah (post-2020): explicitly deprioritized prosecution of peaceful plural families
- FLDS and similar groups: prosecutions focus on associated crimes, not polygamy itself
Difference Between Polygamy and Bigamy
Polygamy refers to the practice of having multiple spouses, while bigamy is the specific legal act of marrying a second person while legally married to the first. In everyday conversation, the two terms get used interchangeably. Under the law, they’re distinct.
Bigamy is what gets charged in court. It’s the specific criminal act: signing a marriage license while a prior marriage is legally in effect. Polygamy is the broader concept, a way of life or religious practice involving multiple spouses. You can be polygamous in practice without committing bigamy if none of the additional relationships are formalized with a legal marriage license.
This is exactly why some plural families operate legally. They have one legal marriage and additional committed relationships that are treated ceremonially or spiritually as marriages but not registered with the state. That structure avoids the bigamy charge entirely, though it may still create complications in areas like property law, inheritance, and parental rights.
| Term | Legal Definition | Criminal Charge? |
|---|---|---|
| Bigamy | Legally marrying while already married | Yes; criminal offense in all states |
| Polygamy | Having multiple spouses (formally or informally) | Depends on whether legal marriage is involved |
| Spiritual marriage | Informal ceremony without legal registration | Generally not a crime |
| Plural cohabitation | Living with multiple partners as family unit | Not a crime in most states |
| Polyamory | Consensual multiple romantic relationships | Legal in all states |
Is It Legal for Mormons to Have Multiple Wives
No, it is not legal for Mormons to have multiple legal wives, and the mainstream Church of Jesus Christ of Latter-day Saints (LDS) has officially prohibited polygamy since 1890. Members who practice polygamy are excommunicated from the mainstream LDS church. The religious organization itself does not sanction plural marriage today.
The confusion comes from a few directions. Historically, polygamy was practiced by early LDS members in the 19th century and was central to the church’s theology at that time. The church formally ended the practice in the Manifesto of 1890, partly in response to intense federal legal pressure. Since then, the mainstream LDS church has treated polygamy as grounds for removal.
Fundamentalist LDS (FLDS) groups, which broke away from the mainstream church, do still practice polygamy. These are separate organizations with no connection to the Salt Lake City-based LDS church. High-profile cases like Warren Jeffs, who was convicted on charges related to his leadership of the FLDS community, involve these splinter groups rather than mainstream Mormons.
Quick Facts: Mormons and Polygamy
- Mainstream LDS church: banned polygamy in 1890
- Active LDS members who practice polygamy: face excommunication
- FLDS and fundamentalist groups: still practice polygamy; not affiliated with mainstream LDS
- Warren Jeffs (FLDS): convicted of sexual assault of a child, not polygamy itself
- Utah law: reduced penalties but did not legalize Mormon polygamy
- Legal status for any religious group: polygamy remains illegal for all
Can You Have Multiple Wives for Religious Reasons
No, religious belief does not create a legal exemption for polygamy in the United States. The Supreme Court established this principle in Reynolds v. United States in 1879, ruling that while the government cannot control religious belief, it can regulate religious practice when that practice violates criminal law.
The Reynolds ruling has been tested and upheld multiple times. Courts have consistently found that the government’s interest in regulating marriage outweighs religious freedom claims under the First Amendment when it comes to polygamy. No federal or state court has carved out a religious exemption to bigamy laws.
This doesn’t mean religious communities can’t maintain plural relationships in ways that don’t involve legal marriage. A church can perform a spiritual marriage ceremony between a man and multiple women. What it cannot do is make that arrangement legally binding or immune from state law. The ceremony may be meaningful to the participants. The state doesn’t recognize it as a marriage.
- Religious exemption to bigamy laws: does not exist in US law
- Supreme Court ruling: Reynolds v. United States (1879) upheld prohibition
- First Amendment argument: rejected by courts for over 145 years
- Religious ceremonies for plural marriage: legal to perform; not recognized by the state
- Islamic polygamy in the US: same rules apply; no legal exemption for any religion
- Practical result: religious plural families operate outside the legal marriage system
Key Takeaway: No religious group, including Mormons, Muslims, or any other faith, receives a legal exemption from bigamy laws. Religious belief can’t override criminal law when it comes to multiple legal marriages.
Is Spiritual Marriage to Multiple Women Legal
Yes, spiritual marriage to multiple women is generally not a crime in the United States, as long as no legal marriage license is obtained for more than one partner. A spiritual marriage is a privately conducted ceremony that holds personal or religious meaning but has no legal standing with the state.
This is the pathway many plural families in Utah and elsewhere use to maintain their lifestyle without crossing into criminal territory. One partner is legally married. The others participate in spiritual or religious ceremonies that the family treats as meaningful, but no second or third marriage license exists. From the state’s perspective, only one legal marriage exists.
The legal complexity appears in civil matters rather than criminal ones. If a spiritual wife wants inheritance rights, hospital visitation rights, or parental recognition, she often has limited legal recourse. The state doesn’t recognize her relationship as a marriage, which can create real practical problems in areas far beyond criminal law.
- Spiritual marriage ceremony: legal to perform; no criminal charge
- Legal recognition of spiritual marriage: none in any US state
- Inheritance rights for spiritual wife: generally none without a legal document
- Parental rights in plural families: complex; depends on state family law
- Hospital visitation rights: may be limited without legal status
- Property rights: no automatic marital property rights for spiritual wives
Is Cohabitation With Multiple Partners Legal
Yes, cohabitation with multiple partners is generally legal in the United States. Living together as adults in a shared household, even in a romantic or familial structure, does not violate any state or federal law. The crime of bigamy requires a legal marriage act, not a living arrangement.
The legal picture gets more complex when children are involved or when the arrangement interacts with public benefits. Some states have used cohabitation laws historically to target plural families, though those enforcement efforts have largely ended. Utah’s 2020 law change was specifically designed to stop prosecuting cohabitation as a form of polygamy.
Polyamory, which is the practice of maintaining multiple romantic relationships with the knowledge of everyone involved, is legal in all US states. It’s not marriage. It doesn’t create legal rights or obligations between the parties. It simply describes a relationship structure, and the law doesn’t regulate that.
| Living Arrangement | Legal Status |
|---|---|
| One legal marriage, one live-in partner | Legal |
| Cohabitation with multiple adults | Legal in all states |
| Polyamorous relationships among consenting adults | Legal in all states |
| Spiritual plural marriage with one legal marriage | Generally legal |
| Two legal marriages simultaneously | Illegal; bigamy |
| Claiming public benefits as plural wives | Can trigger fraud charges |
Countries Where Multiple Wives Are Legal
Multiple wives are legally recognized in approximately 50 countries worldwide, primarily in parts of Africa, the Middle East, and South Asia. These countries allow a form of marriage called polygyny, where a man can have multiple legal wives simultaneously. The laws vary widely in terms of how many wives are permitted and what conditions apply.
Countries where polygamy is legal include Saudi Arabia, the United Arab Emirates, Egypt, Pakistan, Nigeria, and Indonesia, among others. Many of these countries impose conditions such as requiring financial capacity to support multiple wives or obtaining consent from existing wives before adding another. Some require court approval.
Coming to the United States from a country where your polygamous marriage was legal doesn’t make it legal on US soil. US immigration law treats polygamy as a bar to entry. If you are legally married to multiple people in your home country and attempt to enter the US with more than one spouse, you face potential inadmissibility under immigration law.
| Region | General Legal Status | Notable Countries |
|---|---|---|
| Middle East | Polygyny generally legal | Saudi Arabia, UAE, Egypt, Jordan |
| South Asia | Legal in some countries | Pakistan, Bangladesh |
| Sub-Saharan Africa | Legal in many countries | Nigeria, South Africa (customary law) |
| Southeast Asia | Legal with conditions | Indonesia (with court approval) |
| Europe | Illegal in all countries | France, Germany, UK, all EU states |
| North America | Illegal in US and Canada | No exceptions in either country |
| South America | Illegal in all countries | All Latin American nations |
Key Takeaway: About 50 countries allow some form of legal plural marriage, but the US treats polygamy from foreign marriages the same as domestic ones under immigration law: as grounds for inadmissibility.
Frequently Asked Questions
Is having multiple wives illegal in every US state?
Yes, having multiple legal wives is illegal in all 50 US states.
Every state criminalizes bigamy, which is the act of marrying someone while still legally married to another person.
Penalties range from a fine in Utah to up to 10 years in prison in Mississippi.
No state offers a legal pathway to hold two valid marriage licenses at the same time.
What is the penalty for polygamy in the United States?
The penalty for polygamy ranges from a $750 infraction fine in Utah to up to 10 years in prison in Mississippi.
Most states that classify bigamy as a felony impose 2 to 5 years in prison for a first offense.
Federal immigration consequences include deportation and denial of naturalization.
Additional crimes like fraud or abuse stacked with bigamy charges can result in much longer sentences.
Can Mormons legally have multiple wives in 2026?
No, Mormons cannot legally have multiple wives in 2026 or any other year.
The mainstream LDS church banned polygamy in 1890 and excommunicates members who practice it.
Fundamentalist LDS splinter groups still practice polygamy, but they have no affiliation with the mainstream church and no legal protection.
Utah’s 2020 law reduced penalties for cohabitation-based polygamy but did not legalize it for anyone.
Is there a difference between polygamy and bigamy under the law?
Yes, bigamy is the specific criminal act of legally marrying while already married, while polygamy is the broader practice of having multiple spouses.
Courts charge people with bigamy, not polygamy, when a legal marriage is involved.
You can be in a polygamous relationship without committing bigamy if you only hold one legal marriage license.
The distinction matters practically for people in plural families who structure their relationships outside of the legal marriage system.
Is cohabiting with multiple partners without legal marriage illegal?
No, cohabiting with multiple partners without a legal marriage is generally legal in all US states.
The crime of bigamy requires the act of obtaining a second marriage license while the first is still valid.
Living together as consenting adults, even in a romantic arrangement, does not violate bigamy or polygamy laws.
Utah’s 2020 law specifically clarified that cohabitation alone is only an infraction, not a felony.
The law on multiple marriages in the US is clear and consistent: one legal spouse at a time, everywhere, with no religious or cultural exceptions. That clarity makes this topic easier to understand than most areas of law.
Bookmark this page if you want a reliable reference on how US polygamy and bigamy law actually works in 2026. The distinction between legal marriage and informal relationships is the most important line to understand.
