Religious affiliation refers to an individual's identification with a specific religion or belief system. This can include major world religions such as Christianity, Islam, Hinduism, and Buddhism, as well as various smaller faiths and spiritual practices. People may affiliate with a religion based on cultural, familial, or personal beliefs, and this affiliation can influence their values, behaviors, and community interactions. Understanding religious affiliation is important for recognizing the diversity of beliefs in society. It can impact social dynamics, political views, and even personal relationships. Surveys and studies often measure religious affiliation to gauge trends in spirituality and the role of religion in people's lives, providing insights into how faith shapes communities and cultures.