Religion: A system of beliefs, practices, and moral codes shared by a group of people.

Major Religions:

- Christianity: Began with Jesus Christ. Mainly in Europe, the Americas, and parts of Africa.

- Islam: Founded by Muhammad. Predominant in the Middle East, North Africa, and parts of Asia.

- Hinduism: Originated in ancient India. Polytheistic religion mainly practiced in India and Nepal.

- Buddhism: Based on the teachings of Gautama Buddha. Spread across East and Southeast Asia.

- Judaism: Started in ancient Israel. One of the world's oldest monotheistic religions.