Fundamentals of Islamic Inheritance Law
Professor Muneer Abduroaf
9 December 2024

Islamic inheritance law is one of the most detailed and essential areas of Islamic jurisprudence. It provides a clear framework for distributing wealth and property after a person's death, ensuring fair and just distribution according to Divine guidance. This law, rooted in the Qur’an and Sunnah, aims to support family members and respect both individual rights and social obligations. Understanding the fundamentals of Islamic inheritance law helps Muslims fulfill their duties toward loved ones and fulfill an obligation to Allah.
The Importance of Islamic Inheritance Law
In Islam, inheritance laws are meant to honour family ties and protect the rights of relatives. These laws reflect the value Islam places on family, community responsibility, and social justice. The Qur’an emphasises the importance of following Allah's instructions in inheritance:
"These are the limits set by Allah. And whoever obeys Allah and His Messenger will be admitted by Him to gardens under which rivers flow, abiding eternally therein; and that is the great attainment."(Surah An-Nisa, 4:13)
The Prophet Muhammad (ﷺ) also highlighted the significance of preparing for inheritance, ensuring that wealth is distributed justly according to Islamic law.
Key Principles of Islamic Inheritance Law
Islamic inheritance is guided by principles outlined in the Qur’an and expanded upon by scholars. Let’s break down some of the core principles that define Islamic inheritance law:
1. Fixed Shares for Heirs
The cornerstone of Islamic inheritance law is the concept of fixed shares, which determines the portion of wealth each close relative is entitled to receive. The Qur’an sets specific shares for spouses, children, parents, and other immediate family members. For example:
- A son typically inherits a portion twice that of a daughter.
- Parents are entitled to a share, even if the deceased has children.
- A spouse inherits a portion based on whether or not the deceased has children.
These shares are established in verses such as:
"Allah commands you as regards your children’s (inheritance): to the male, a portion equal to that of two females; if (there are) only daughters, two or more, their share is two-thirds of the inheritance; if only one, her share is a half. For parents, a sixth share of inheritance to each if the deceased left children; if no children, and the parents are the (only) heirs, the mother has a third; if the deceased left brothers or (sisters), the mother has a sixth. (The distribution in all cases is) after the payment of legacies he may have bequeathed or debts. You know not which of them, whether your parents or your children, are nearest to you in benefit; (these fixed shares) are ordained by Allah. And Allah is the All-Knowing, All-Wise.
In that which your wives leave, your share is a half if they have no child; but if they leave a child, you get a fourth of that which they leave after payment of legacies that they may have bequeathed or debts. In that which you leave, their (your wives) share is a fourth if you leave no child; but if you leave a child, they get an eighth of that which you leave after payment of legacies that you may have bequeathed or debts. If the man or woman whose inheritance is in question has left neither ascendants nor descendants, but has left a brother or a sister, each one of the two gets a sixth; but if more than two, they share in a third, after payment of legacies he (or she) may have bequeathed or debts, so that no loss is caused (to anyone). This is a Commandment from Allah; and Allah is Ever All-Knowing, Most-Forbearing.”(Surah An-Nisa, 4:11-12)
By establishing these shares, Islamic inheritance law protects family members and ensures wealth is distributed equitably.
2. Prioritising Debts and Funeral Expenses
Islamic inheritance law requires that all debts and obligations be settled before any wealth is distributed to heirs. This means that debts, unpaid zakat, and any outstanding obligations are paid from the estate first, along with funeral expenses. Prophet Muhammad (ﷺ) emphasised the importance of paying off debts:
“The believer’s soul is held back by his debt until it is paid off.”(Sunan Ibn Majah, Hadith 2413)
Settling debts ensures that the deceased’s obligations to others are fulfilled, upholding justice and avoiding harm to creditors.
3. The Discretionary Bequest (Wasiyyah) for Non-Heirs
One unique aspect of Islamic inheritance law is the concept of the wasiyyah, or discretionary bequests. A Muslim can allocate up to one-third of their estate as a discretionary bequest to non-heirs, such as friends, adopted or foster children, non-Muslim relatives, distant relatives, certain grandchildren, or charitable causes. However, this portion is limited to one-third of the total estate and cannot exceed this amount.
The Prophet Muhammad (ﷺ) clarified the importance of this limitation, advising:
“One-third, and one-third is a lot. It is better to leave your heirs rich than to leave them dependent and asking from people.”(Sahih al-Bukhari, Hadith 2742)
The wasiyyah is a significant way to support causes and individuals beyond one’s immediate family, allowing Muslims to contribute to community welfare and charity while maintaining family obligations.
4. Gender-Based Distribution
Islamic inheritance law incorporates gender-based distinctions, which can sometimes seem complex. Sons inherit a portion twice that of daughters, as noted in Surah An-Nisa, 4:11. However, there are several cases where females may inherit more than other males in a family. In terms of the gender-based distribution at the level of descendants, it’s essential to understand the broader context:
- Social Responsibility: In Islamic tradition, men are primarily responsible for providing financial support for the family, including their wife, children, and sometimes even extended family members. Women, on the other hand, are not obligated to financially support the family, even if they receive an inheritance. In the absence of a parent, sons are also expected to support the financial needs of their unmarried sisters.
- Equity Over Equality: The distribution reflects not just equality but equity, considering the social and financial responsibilities assigned to different family members.
This approach is designed to balance family needs and obligations within an Islamic framework of fairness.
The Role of Scholars in Expanding Islamic Inheritance Law
Islamic scholars have elaborated on inheritance rules based on the Qur’an, Sunnah, and the practice of the early generations. Scholars have helped clarify and address complex scenarios, such as when multiple heirs fall into the same category or when unforeseen circumstances arise. Their work has made Islamic inheritance law flexible enough to apply to various cases, including blended families, step-siblings, and other modern situations.
Imam Abu Hanifah, for instance, established detailed rulings on inheritance shares based on principles from the Qur’an and Hadith. Other scholars, like Imam Malik, Imam Shafi’i, and Imam Ahmad, developed additional rulings to ensure justice and clarity in inheritance distribution, showing that Islamic inheritance law is a comprehensive system grounded in both Divine instruction and scholarly understanding.
Practical Benefits of Islamic Inheritance Law
Islamic inheritance law has practical benefits for the deceased's family, ensuring fair distribution while reducing conflict. By following the structured guidelines set by the Shari’ah:
- Family Conflicts Are Reduced: Clear guidelines prevent potential disputes over inheritance, as family members understand the shares set by Allah.
- Future Security: Family members, particularly those in need, are provided for, including parents, children, and spouses.
- Community Welfare: The wasiyyah portion allows Muslims to support causes that continue to benefit society, whether through charity, education, or endowments.
Islamic inheritance law serves not only as a legal framework but also as a system that promotes family unity and social responsibility.
Following Islamic Inheritance Law in a Modern Context
For Muslims living in predominantly non-Muslim countries, like Australia, it is crucial to ensure that Wills comply with both Islamic and local legal requirements. Services like MuslimWills provide a means for Australian Muslims to prepare wills that fulfil our religious obligations while meeting the requirements of Australian law.
By understanding and implementing the fundamentals of Islamic inheritance law, Muslims fulfil their obligations to Allah, secure the well-being of their families, and contribute to the broader community’s welfare — ultimately leaving behind a legacy that aligns with the principles of faith and fairness, while continuing to accrue rewards for us in our hereafter.
Summary
Islamic inheritance law prescribes a divinely guided, structured method for distributing wealth after death. It assigns fixed shares to close relatives, prioritises settling debts and funeral expenses before distribution, and allows a limited discretionary bequest for non-heirs. Rooted in the Qur’an and Sunnah, this system values equity, family unity, and social responsibility, with men generally carrying financial obligations and thus receiving larger shares. Scholars have expanded and clarified these guidelines to address modern circumstances. Adherence to these laws not only ensures fair allocation, reduces family disputes, and provides for dependents, but also helps Muslims meet both religious duties and local legal requirements, leaving a legacy of justice and spiritual reward.