Why the Middle East maintains some of the world's highest cousin marriage rates
In short: In parts of the Middle East, marrying a paternal cousin is more than a tradition; it is a strategic tool for preserving wealth, social standing, and family unity. While modern geneticists warn of health risks, the practice remains deeply woven into the region's complex kinship systems.
The practice of 'bint 'amm'—marrying the daughter of one's father's brother—is a cornerstone of many tribal and traditional Muslim communities. This custom is driven by several practical motivations: keeping property within the extended family, maintaining the 'sympathy of kinship,' and the advantage of marrying a spouse whose character is already known. In some regions, like northern Arabia, the paternal male cousin holds significant power, even possessing the right to approve or annul marriages to protect family interests.
Historically, these patterns are not exclusive to Islam. The practice has roots in pre-Islamic Arabia and even ancient Israel, as seen in the biblical story of the daughters of Zelophehad. The expansion of the Umayyad Caliphate in the eighth century likely helped spread parallel-cousin marriage across North Africa and the Middle East. While the Quran does not forbid marrying first cousins, the practice has seen varying levels of adoption among different ethnic and religious groups, including some Jews, Arab Christians, and even certain Coptic communities in Egypt.
Today, the prevalence of consanguinity varies significantly by geography and socio-economics. Rates can reach nearly 58% in Saudi Arabia and roughly 47-60% in Iraq, while being notably lower in urban centers or among highly educated women. However, the tradition faces modern challenges. Geneticists have raised concerns regarding the rise of recessive genetic disorders due to long-term inbreeding. In response, some groups are shifting; for instance, the Coptic Church launched an initiative in 2024 to ban relative marriages due to health risks, and the Azerbaijani Parliament passed amendments in 2025 to prohibit marriages between individuals with common grandparents.
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- Summary by Intellect · source: Cousin marriage in the Middle East
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