Throughout the world, there are many different religions. A religion is defined as a system of faith or worship. A person that is religious believes in a controlling power, such as a God or gods. Beliefs vary based on the religion that is followed.
There are many different religions, but the most popular are Christianity, which is followed by an estimated 33% of people, and Islam, which is practiced by over 24% of people. Other religions include Hinduism, Buddhism, and Judaism. Of course, there are also a large population – about 1.2 billion people around the world – that are nonreligious or have Atheist beliefs.
The biggest religion, though, is Christianity, which is practiced by an estimated 2.4 billion people. In Vatican City and the Pitcairn Islands, 100% of the population is Christian. In other nations, at least 93% of the population is Christian. Those nations are:
- American Samoa, Armenia
- Barbados
- East Timor, El Salvador
- Greece
- Kiribati
- Malta, Marshall Islands, Micronesia
- Papua New Guinea, Paraguay, Peru
- Romania
- Samoa, San Marino
- Tonga
- Venezuela
These nations are made up of many different types of Christians, including Roman Catholic, Greek Orthodox, Protestant, and Seventh-day Adventist.
People that practice Islam are known as Muslims. In the Maldives, Mauritania, and Saudi Arabia, 100% of inhabitants practice Islam. In these nations, at least 95% of inhabitants identify as either Sunni or Shi’a Muslim:
- Afghanistan, Algeria
- Comoros
- Iran, Iraq
- Kuwait
- Libya
- Morocco
- Pakistan
- Somalia, Sudan
- Tunisia, Turkey
- Yemen
People that follow Hinduism are known as Hindus. The nation with the highest number of Hindus is Nepal. Over 81% of people practice Hinduism in this nation. India and Mauritius also have a high Hindu population, making up 79.8% and 54% of the population, respectively.
Buddhists practice Buddhism, and the nation with the highest percentage of Buddhists is Cambodia, where an estimated 96.9% of people practice this religion. Other nations where this religion is prevalent include:
In some nations, traditional Chinese religions including Confucianism and Taoism are practiced. This is most frequently seen in these nations:
Ethic and indigenous religions are practiced in a number of countries. In Guinea-Bissau and Haiti, an estimated 50% of the population follows one of these religions. Other nations where ethnic and indigenous religions are practiced include:
Finally, as mentioned, there are people that are not religious or follow a religion such as Atheism. This is mostly seen in nations including Estonia, Czech Republic, and Japan, where over three-quarters of the population is irreligious. Other nations with a high percentage of people without religion include: