Here is a table of the world's major religions and their estimated adherent populations in 2023:

Here is a table of the world's major religions and their estimated adherent populations in 2023:

| Religion | Adherents (billions) | Percentage of world population |

| Christianity | 2.4 | 31.1% |

| Islam | 1.9 | 24.9% |

| Hinduism | 1.2 | 15.2% |

| Buddhism | 0.5 | 6.6% |

| Folk religions | 0.4 | 5.6% |

| Unaffiliated | 1.4 | 18.2% |

| Other religions | 0.06 | 0.8% |

As you can see, Christianity is the world's largest religion, with over 2.4 billion adherents. Islam is the second-largest religion, with over 1.9 billion adherents. Hinduism is the third-largest religion, with over 1.2 billion adherents. Buddhism is the fourth-largest religion, with over 500 million adherents. Folk religions are the fifth-largest religious group, with over 400 million adherents. The unaffiliated are the sixth-largest group, with over 1.4 billion people who do not identify with any religion. Other religions, including Judaism, Sikhism, and Jainism, have a combined total of over 60 million adherents.

The geographic distribution of religious groups varies considerably. Christianity is the dominant religion in Europe, the Americas, and parts of Africa. Islam is the dominant religion in the Middle East, North Africa, and parts of Asia. Hinduism is the dominant religion in India and Nepal. Buddhism is the dominant religion in East and Southeast Asia. Folk religions are found in many parts of the world, but are particularly prevalent in Africa, China, and Native American cultures. The unaffiliated are found in all parts of the world, but are particularly concentrated in Europe, North America, and East Asia.

Religion plays an important role in the lives of many people around the world. It provides a sense of community, purpose, and meaning. It can also be a source of comfort and support in times of difficulty. Religion can also be a source of conflict, as different religions have different beliefs and practices. However, religion can also be a force for peace and understanding.

Here are some additional facts about religion in the world:

* The world's religious landscape is changing rapidly. The number of Christians and Muslims is growing, while the number of Hindus and Buddhists is declining. The number of unaffiliated people is also growing.

* Religion is becoming more diverse. There is a growing number of people who identify with multiple religions or who do not identify with any religion at all.

* Religion is playing an increasingly important role in politics and social issues. Religious groups are becoming more active in advocating for their beliefs on issues such as abortion, same-sex marriage, and climate change.