Christianity is a monotheistic religion that believes in God. They believe that there is a heaven and a hell, for good people and for bad people. About 2.2 billion people follow this religion, and it can be found all over the world. The Bible is the religious text.
Worshippers of Islam are called Muslims. They are found mainly in the Middle East. The holy book is called the Qur'an. It is monotheistic and they follow the will of Allah, which means God.
The Jewish religion is monotheistic and the holy book is called the Torah. Jews are found in Israel mainly. Judaism has been around for over 3,000 years. Jews believe in the word of the Torah and also of later texts.
Hinduism is interesting because it has no leader to follow, instead it is a set of loose beliefs that people live their lives by. Hindus believe in karma, which is the belief that if you do good things, good things will happen to you, or vice versa. They also believe in reincarnation. Hinduism is mostly found in India.
Buddhists follow the teachings of the Buddha, who lived his life by a set of beliefs. The goal of Buddha is to help others understand the world around them and who they are,so that they can be at peace. Buddhists are found mainly in India and its surrounding areas.