Why were most nuns from the ranks of landed Aristocracy?

Most nuns came from the ranks of landed aristocracy due to the social and economic structures of medieval and early modern Europe, where noble families often sought to secure their wealth and influence through religious institutions. Joining a convent allowed daughters of noble families to maintain their status while avoiding the financial burden of dowries for marriage. Additionally, convents often provided education and a degree of autonomy, making them appealing options for women in aristocratic families. As a result, the intersection of social status, economic considerations, and religious devotion led many aristocratic women to become nuns.