Short answer

By Aisha's own account, the marriage contract was made when she was six. She moved into the home of the Prophet (ﷺ) at nine. In her world, a girl was held ready for marriage at puberty. For a thousand years after, the law of Christian Europe let a girl be betrothed at seven and married at twelve. English law let a girl of twelve marry until 1929. The Bible sets no minimum age. To judge a marriage of seventh-century Arabia, three questions matter: was she ready, was she harmed, and did she choose it? Classical Islamic law forbade married life before a wife was physically ready. No early report records any harm to her. Years later, offered her freedom, Aisha chose to stay. She became one of the greatest scholars of early Islam. No enemy of his is recorded objecting to the marriage. Islam's answer rests on those questions, and the record answers them. Today the law of each country sets the age of marriage, and Muslims keep the law wherever they live, as the Qur'an binds them to their agreements (17:34).

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