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Myanmar, Cambodia and Vietnam: Muslim minorities under monogamy laws

In Myanmar, Cambodia and Vietnam, Muslims are a minority and there are no Shariah courts. Civil law in all three countries now requires monogamy, and polygyny may be a crime.

⏱ 5 min read§ 8 sections📚 17 sources🗓 Updated: 14 Oct 2026

General information, not legal advice or a fatwa. Disclaimer

📘 What you will learn

Key point: In all three countries, the validity of a marriage in the eyes of the state depends on monogamous civil registration, and a mosque ceremony alone does not protect wives and children. Polygyny is permissible (harus), not obligatory, so complying with local law averts harm to the family.

This week's practice
  1. Make sure your marriage is registered civilly in your home country and also in Malaysia
  2. If you are a Cham woman married to a Malaysian, keep copies of the civil and religious certificates
  3. Read the unofficial marriage page with your spouse to understand the risks of an unregistered marriage

At a glance

Statistics

Muslims as a minority

4.3%of Myanmar's population MuslimCensus 2014; Rohingya not fully counted
311,045Muslims in Cambodia (~2%)Census 2019
70,934Muslims in VietnamCensus 2019
7 yearsmaximum prison term under Myanmar's Monogamy Law 2015referring to Penal Code s.494
Source: Myanmar Census 2014; Cambodia Census 2019; Vietnam Census 2019; HRW (2015)
Control of polygyny

Permission, authority and penalties

CountryPolygynyAuthorityPenalties
Myanmar✗ Only monogamy valid (Monogamy Law 2015)Civil courts (Burma Laws Act 1898 s.13)Up to 7 years' imprisonment and a fine; loss of property rights
Cambodia✗ Prohibited (Constitution Article 45)Civil registration; hakem/imam has no court jurisdictionImprisonment of 1 month–1 year and a fine (Criminal Code 2009 art. 353)
Vietnam✗ Prohibited (Law 52/2014 Art. 2, 5)Local People's CommitteeImprisonment of up to 3 years in serious cases (Criminal Code 2015 art. 182)
Malaysian citizens✗ Cannot register a second wifeSyariah Court permission is still mandatoryOffence in Malaysia (Act 303 s.123)

1Regional overview

Unlike Malaysia, Brunei or Indonesia, none of these three countries has a Syariah Court or state-recognised Muslim marriage registration. The role of religious leaders (imam, hakem, mufti) is limited to solemnising marriages and giving guidance. The validity of a marriage under national law depends on civil registration.

CountryMuslim populationMuslim family lawPolygyny
Myanmar4.3% (Census 2014; Rohingya not fully enumerated)Islamic law (“Mohammedan law”) via the Burma Laws Act 1898 s.13, in the civil courtsRestricted by the Monogamy Law 2015 and Penal Code s.494
CambodiaAround 2%, or 311,045 people (Census 2019)None. Civil law applies to allProhibited. Constitution Article 45 sets “one husband and one wife”
Vietnam70,934 people (Census 2019)None. The Law on Marriage and Family 2014 applies to allProhibited. Constitution Article 36(1) and Law 52/2014/QH13
ThailandSee separate pageIslamic family law in the four southern provincesSee Thailand

2Myanmar: Islamic law in the civil courts

  • The Burma Laws Act 1898, s.13 directs the courts to apply Islamic law in matters of marriage, divorce, inheritance and religious institutions where the parties are Muslims. Cases are decided by the ordinary civil courts, not Shariah courts.
  • The Dissolution of Muslim Marriage Act 1952 gives a Muslim wife the right to apply for divorce on reasonable grounds.
  • Under classical Islamic law, a Muslim man may have up to four wives. The offence of bigamy under Penal Code s.494, which applies only if the second marriage is void, has therefore traditionally not affected Muslim men (please check the current court interpretation).
  • The 2008 Constitution (Article 34) guarantees freedom of religion subject to public order. The Constitution also recognises Islam as one of the religions existing in the country (Article 362).

3Myanmar: the 2015 “race and religion laws”

In 2015, under pressure from the Buddhist nationalist Ma Ba Tha movement, President Thein Sein signed four laws:

  1. Population Control (Health Care) Law, 19 May 2015: allows a birth spacing of 36 months to be imposed in certain areas.
  2. Religious Conversion Law, August 2015: a change of religion requires approval from a township board.
  3. Myanmar Buddhist Women's Special Marriage Law (Pyidaungsu Hluttaw Law No. 50/2015), 26 August 2015 (date according to Wikipedia citing the official Myanmar Law Information System database; refer to the official text). A Buddhist woman who wishes to marry a non-Buddhist man must follow a special procedure. The application is publicly displayed for 14 days and anyone may object in court. Women under 20 need parental consent. A non-Buddhist husband must allow his wife to practise Buddhism, and may lose joint property and custody of children if he breaches this law.
  4. Law Relating to the Practice of Monogamy, 31 August 2015: a marriage under any law, religion or custom is valid only if monogamous. This law makes marrying again or cohabiting while still married an offence. The penalty refers to Penal Code s.494 (up to 7 years' imprisonment and a fine), and the guilty party may lose property rights on divorce (Human Rights Watch (HRW) 2015). It also applies to residents and foreigners who marry citizens.
The government denies that these laws target Muslims. However, Human Rights Watch and Amnesty International assess them as discriminatory against Muslims and women. As a result, polygyny by Muslim men in Myanmar now risks being a crime. The laws are reportedly rarely enforced, especially since the 2021 coup (please check the current enforcement status).

4Rohingya: marriage restrictions in Rakhine

Fortify Rights (2014) published internal Rakhine State government documents that had never been made public:

  • Regional Orders from 1993 to 2008 show a consistent policy requiring Rohingya couples to apply for permission to marry. Other ethnic groups are not subject to this requirement.
  • An annex titled “Requirements for Bengalis who apply for Permission to Marry” lists ten conditions. The couple, their parents and witnesses must appear several times before the authorities, a process described as humiliating and costly.
  • Regional Order 1/2005 requires Rohingya couples who have “obtained permission to marry” to limit the number of their children. This became the basis of the two-child policy in the townships of Maungdaw and Buthidaung. The order also prohibits children born out of wedlock.

These restrictions violate the right to marry and found a family (Article 16 UDHR). Since the 2017 military operations, most Rohingya are now refugees in Bangladesh. The current status of these orders in Rakhine is please check.

5Cambodia: Cham Muslims and civil monogamy

  • Communities. Most Cambodian Muslims are Cham and Chvea (Malay), following the Shafi'i school. Many Cham students study in Kelantan. The 2019 census recorded around 311,045 Muslims, about 2% of the population. The relevant ministry recorded 884 mosques in 2016 (secondary source).
  • Constitution 1993 (amended 2008), Article 45: “Marriage shall be conducted according to the law, based on the principle of mutual consent between one husband and one wife.”
  • The Civil Code 2007 (in force 2011) replaced the Law on Marriage and Family 1989 and prohibits overlapping marriages: a person who has a spouse may not marry again (article 949), and the spouse of the earlier marriage may ask the court to annul the marriage (article 960(2)). Criminal Code 2009 article 353 punishes registering a new marriage certificate before an existing marriage is dissolved with imprisonment of 1 months to 1 year and a fine of 100,000 to 2,000,000 riel; the same penalty applies to a civil registration officer who knows of it but still allows the registration.
  • Religious administration. Each Cham village has a hakem, an imam and a bilal. At national level there is a Mufti and a supreme council for Islamic affairs based in Chrouy Changvar, Phnom Penh (please check the current structure). They have no court jurisdiction over marriage.
  • A religious marriage contract without civil registration gives no legal protection to the wife and children.

6Vietnam: Cham Bani, Cham Sunni and the 2014 Law

  • Communities. The 2019 census recorded 70,934 Muslims in two groups. First, the Cham Bani in Ninh Thuận and Bình Thuận, who practise a localised form of Islam. Second, the Shafi'i Cham Sunni in the Mekong delta, especially in An Giang (Châu Đốc), as well as in Ho Chi Minh City.
  • Constitution 2013, Article 36(1): marriage must comply with the principles of voluntariness, progress, monogamy and equality between husband and wife.
  • Law on Marriage and Family No. 52/2014/QH13: Article 2 makes monogamy a basic principle. Article 5 prohibits a married person from marrying again or living together as husband and wife with another person.
  • Criminal Code 2015 (No. 100/2015/QH13) article 182 makes breaching the monogamy regime a crime when the act causes a divorce or is repeated after an administrative penalty: a warning, non-custodial reform of up to 1 year or imprisonment of 3 months to 1 year. The penalty is imprisonment of 6 months to 3 years if the act causes the spouse or a child to commit suicide, or if the relationship continues after a court has ordered it to end.
  • Marriage registration is done at the local People's Committee. A religious marriage contract alone is not recognised by the state.

7The Shariah position for Muslim minorities

Polygyny is permissible (harus), subject to the condition of justice (Surah an-Nisa' 4:3), not an obligation. Scholars who discuss the fiqh of minorities generally hold that a Muslim living in a country that prohibits polygyny may, and should, comply with that law. Leaving something permissible does not mean leaving the religion. Breaking the law, on the other hand, can expose a second wife and children to legal harm and loss of rights. The fiqh maxim “averting harm takes precedence” is relevant here.

A secret or unregistered polygynous marriage to evade the law is not encouraged. The wife gets no enforceable maintenance, inheritance or lawful status for her children. See unofficial marriage and Muslim minorities in the West.

8What Malaysians / foreign nationals need to know

  • Polygyny in these countries is not a shortcut. A married Malaysian man cannot register a second marriage in Cambodia or Vietnam because civil law forbids it. In Myanmar it risks being a crime under the Monogamy Law 2015.
  • A marriage contract in a mosque without civil registration may be valid in terms of the essentials of marriage, but is not recognised by the state concerned. In Malaysia, meanwhile, polygyny without the permission of the Syariah Court is an offence (Act 303 s.123 and the equivalent state enactments).
  • Cham women who marry Malaysian men should make sure the marriage is registered in their home country and in Malaysia, for the sake of rights to maintenance, inheritance, the children's citizenship and visas. See cross-border marriage and recognition of marriage.
  • For Thailand, which has Islamic family law in its southern provinces, see the Thailand page.

Sources & references

Surah an-Nisa' 4:3Burma Laws Act 1898 s.13; Dissolution of Muslim Marriage Act 1952 (Myanmar) — Wikipedia, Application of Sharia by country — https://en.wikipedia.org/wiki/Application_of_Sharia_by_countryHuman Rights Watch — Burma: Discriminatory Laws Could Stoke Communal Tensions (2015) — https://www.hrw.org/news/2015/08/23/burma-discriminatory-laws-could-stoke-communal-tensionsWikipedia — Race and Religion Protection Laws (signing dates, contents of the Monogamy Law and Special Marriage Law) — https://en.wikipedia.org/wiki/Race_and_Religion_Protection_LawsWikipedia — History of Myanmar Buddhist Women's Special Marriage Law (Law No. 50/2015) — https://en.wikipedia.org/wiki/History_of_Myanmar_Buddhist_Women%27s_Special_Marriage_LawFortify Rights — Policies of Persecution: Ending Abusive State Policies Against Rohingya Muslims in Myanmar (2014) — https://www.fortifyrights.org/downloads/Policies_of_Persecution_Feb_25_Fortify_Rights.pdfConstitute Project — Myanmar's Constitution of 2008, Articles 34 and 362 — https://www.constituteproject.org/constitution/Myanmar_2008Constitute Project — Cambodia's Constitution of 1993 (rev. 2008), Article 45 — https://www.constituteproject.org/constitution/Cambodia_2008Civil Code of Cambodia 2007, articles 949 and 960 — JICA English translation (unofficial), LICADHO copy — https://licadho-cambodia.org/safety-and-justice/laws/civil_code-2017-english-jica.pdfCriminal Code of Cambodia 2009, article 353 — English translation, Open Development Cambodia — https://data.opendevelopmentcambodia.net/en/dataset/criminal-codeConstitute Project — Viet Nam's Constitution of 1992 (rev. 2013), Article 36 — https://www.constituteproject.org/constitution/Socialist_Republic_of_Vietnam_2013Criminal Code of Vietnam 2015 (No. 100/2015/QH13), article 182 — National Database of Legal Documents (vbpl.vn) — https://vbpl.vn/TW/Pages/vbpq-toanvan.aspx?ItemID=96122Law on Marriage and Family No. 52/2014/QH13 (Vietnam), Articles 2 and 5 — via Wikipedia, Polygamy in Vietnam — https://en.wikipedia.org/wiki/Polygamy_in_VietnamWikipedia — Islam in Myanmar (Census 2014: 4.3%) — https://en.wikipedia.org/wiki/Islam_in_MyanmarWikipedia — Islam in Cambodia (Census 2019: 311,045 Muslims) — https://en.wikipedia.org/wiki/Islam_in_CambodiaWikipedia — Islam in Vietnam (Census 2019: 70,934 Muslims) — https://en.wikipedia.org/wiki/Islam_in_VietnamAct 303 s.123

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