Nigeria
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Religious Adherents, 2010 (World Christian Database)1

Nigeria Western Africa World
Baha'i <0.1% <0.1% 0.1%
Buddhist <0.1% <0.1% 7.2%
Chinese Universalist <0.1% <0.1% 6.3%
Christian 46.5% 36.5% 32.8%
Confucianist 0.0% 0.0% 0.1%
Ethnoreligionist 7.7% 12.1% 3.5%
Hindu <0.1% <0.1% 13.8%
Jain 0.0% 0.0% <0.1%
Jewish <0.1% <0.1% 0.2%
Muslim 45.5% 51.0% 22.5%
Shintoist 0.0% 0.0% <0.1%
Sikh 0.0% <0.1% 0.3%
Spiritist 0.0% 0.0% 0.2%
Taoist 0.0% 0.0% 0.1%
Zoroastrian 0.0% 0.0% <0.1%
Neoreligionists <0.1% <0.1% 0.9%
Atheist <0.1% <0.1% 2.0%
Agnostic 0.3% 0.3% 9.8%

Religious Demography2

The country has an area of 356,700 square miles and a population of 144 million. While some groups estimate the population to be 50 percent Muslim, 40 percent Christian, and 10 percent traditional indigenous, it is generally assumed that the proportion of citizens who practice Islam or Christianity are roughly equal and include a substantial number who practice traditional indigenous religious beliefs alongside Christianity or Islam. The predominant form of Islam is Sunni. Members of the Ahmadiyya Movement maintain a presence in Lagos and Abuja. The Christian population includes Roman Catholics, Anglicans, Baptists, Methodists, Presbyterians, and a growing number of evangelical and Pentecostal Christians and members of the Church of Jesus Christ of Latter-day Saints (Mormons).

The North, dominated by the Hausa-Fulani and Kanuri ethnic groups, is predominantly Muslim. However, significant Christian communities have resided and intermarried with Muslims in the North for more than 50 years. Both Muslims and Christians reside in large numbers in the Middle Belt, including the Federal Capital Territory (FCT). In the southwest, where the Yoruba ethnic group predominates, Christians and Muslims reside in equal numbers. While most Yorubas practice either Christianity or Islam, the practice of traditional Yoruba religious beliefs continues. Southern ethnic groups are predominantly Christian. In the east, where the Igbo ethnic group is dominant, Catholics, Anglicans, and Methodists are the majority, although many Igbos continue to observe traditional rites and ceremonies in tandem with Christianity. In the oil-rich and restive Niger Delta region, where the Ogoni and Ijaw ethnic groups prevail, Christians are the majority, with 1 percent of the population adhering to Islam.

Sources

Note: The World Christian Database (WCD) estimates, used in the Religious Adherents section above, count each person as belonging to a maximum of one religious group. For more information, see the WCD methodology document. The U.S. State Department's International Religious Freedom report estimates, used in the Religious Demography section, use less restrictive criteria in which a person who identifies with more than one religion is classified as a follower of each. In certain cases (such as Japan and other nations with strong folk religion traditions), this can cause counts to vary widely between estimates. Users are advised to consult the relevant source documents before determining which counts to cite.

1.  The World Christian Database (WCD) is based on the 2600-page award-winning World Christian Encyclopedia and World Christian Trends, first published in 1982 and revised in 2001. This extensive work on World religion is now completely updated and integrated into the WCD online database. Designed for both the casual user and research scholar, information is readily available on religious activities, growth rates, religious literature, worker activity, and demographic statistics. Additional secular data is incorporated on population, health, education, and communications. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. Used with permission.

2.  The U.S. State Department's International Religious Freedom Report is submitted to Congress annually by the Department of State in compliance with Section 102(b) of the International Religious Freedom Act (IRFA) of 1998. This report supplements the most recent Human Rights Reports by providing additional detailed information with respect to matters involving international religious freedom. It includes individual country chapters on the status of religious freedom worldwide. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. These State Department reports are open source.