Fast facts
- The contract
- Nikah (نكاح), an offer and acceptance before witnesses
- Non-negotiable
- The free consent of both parties
- The payment
- Mahr (مهر), from the husband to the wife, hers alone
- Anchor verse
- Sūrah al-Rūm 30:21, tranquillity, affection and mercy
- The feast
- Walimah (وليمة), a sunnah of the husband after consummation
On this page
What marriage is in Islam
A contract, not a sacrament. There is no priesthood involved, nothing is conferred, and the marriage is complete when the conditions are met. That is a lower-key description than many religions give, and it is paired with an unusually high description of what the relationship is for.
وَمِنْ آيَاتِهِ أَنْ خَلَقَ لَكُم مِّنْ أَنفُسِكُمْ أَزْوَاجًا لِّتَسْكُنُوا إِلَيْهَا وَجَعَلَ بَيْنَكُم مَّوَدَّةً وَرَحْمَةً"And among His signs is that He created for you spouses from among yourselves, that you may find tranquillity in them, and He placed between you affection and mercy." (Sūrah al-Rūm 30:21)
The verse names the marriage itself as an āyah (آية), a sign of Allah, which is the same word used for a verse of scripture and for a feature of creation. And it names three things rather than one: tranquillity, affection, and mercy. The third is the one that carries a marriage through the years when the second is thin.
The conditions of a valid nikah
- Consent. Both parties must agree freely. A marriage contracted over the objection of either is defective, and the Prophet ﷺ (محمد) annulled one when a woman brought her case to him (Sunan Abu Dawud 2096).
- Offer and acceptance, ijab and qabul, in one sitting, so that agreement is explicit rather than assumed.
- Witnesses, so the marriage is a matter of public record rather than a private arrangement.
- Mahr (مهر), a payment from the husband to the wife, named in the contract.
- Publicity. The marriage is announced rather than concealed, which is the clearest line between nikah and a secret liaison.
The schools differ on the role of the walī (ولي), the woman’s guardian, in contracting the marriage: the majority require his involvement, the Hanafi school permits an adult woman to contract her own. What no school permits is a marriage she has not agreed to.
Who may marry whom
Islamic law sets out the prohibited degrees explicitly rather than leaving them to custom, and the list in Sūrah al-Nisāʾ 4:23 is unusually precise. It falls into three kinds.
- By blood: mothers, daughters, sisters, paternal and maternal aunts, and the daughters of brothers and sisters.
- By marriage: a wife’s mother, a wife’s daughter raised in one’s care, the wife of one’s son, and the former wife of one’s father.
- By suckling: a woman who nursed a person in infancy, and her daughters, become prohibited exactly as blood relatives are. This category has no parallel in most legal systems and surprises people who meet it first as adults.
A Muslim woman marries a Muslim man. A Muslim man may additionally marry a chaste woman of the People of the Book, permitted in Sūrah al-Māʾidah 5:5, though many jurists have discouraged it where the children’s upbringing would be at risk.
On plurality, Sūrah al-Nisāʾ 4:3 permits up to four and attaches a condition in the same verse: if you fear you will not deal justly, then one. The verse then adds, a few lines later, that you will not be able to deal equally between women however much you wish it. Reading the permission without the two conditions attached to it takes half a sentence.
The mahr, and who it belongs to
The mahr (مهر) is paid by the husband to the wife. Not to her father, not to her family, and not into a household fund. Sūrah al-Nisāʾ 4:4 instructs that it be given to the women as a free gift, and adds that if they of their own accord remit part of it, he may take it in good conscience, which only makes sense if it was fully hers to begin with.
This is one of the points where practice most often departs from the ruling. Where families treat the mahr as a transfer between households, or where a large sum is named for display and never actually paid, the contract is being used to do the opposite of what it was for.
The walimah
The walimah (وليمة) is the feast given by the husband after the marriage, and it is a sunnah with a clear social function: it makes the marriage known. Accepting an invitation to one is itself treated as a duty in the hadith literature.
The recorded guidance pulls consistently towards modesty. The Prophet ﷺ is reported to have said that the most blessed marriage is the one with the least burden, and the worst feast is one where the rich are invited and the poor left out (Sahih al-Bukhari 5177). Both statements point away from the direction most wedding customs have travelled.
Custom and religion, separated
Muslim weddings vary enormously between Morocco, Turkey, Indonesia and Pakistan, and almost none of that variation is religious. The contract is short. The ceremonies around it are inherited, and they are permitted so long as they do not contradict the religion or impose hardship.
| Required by the religion | Regional custom |
|---|---|
| Consent of both parties | Mehndi and multi-day celebrations |
| Mahr paid to the wife | Dowry demanded from the bride’s family |
| Witnesses and announcement | Specific dress, colours and processions |
| The walimah, kept modest | Large competitive expenditure |
The practical value of the distinction is in the second column. Customs that ruin families financially, or that make marriage unaffordable for the young, are not protected by the religion, and they are the first thing this material is usually needed to answer.
Frequently asked questions
Can a woman refuse a proposed marriage?
Yes, absolutely, and this is not a modern reading. Consent is a condition of validity in every school. The Prophet ﷺ annulled a marriage when a woman told him her father had contracted it against her wishes, which settles the question at the level of precedent rather than opinion.
Is a large mahr better?
Not in the recorded guidance. Excessive amounts are discouraged, and the reported statements praise the marriage that is easiest to bring about. What matters is that the amount is genuine, agreed, and actually paid, rather than announced for display.
What about the marriage register and civil law?
Registration is not one of the classical conditions, because those predate modern states. It is nonetheless strongly advised everywhere and required in most countries: it protects the rights the contract creates, particularly the wife’s, which is precisely what the witnesses and the publicity requirement were for.