Estimates of religious affiliation in Guinea vary because there is no single current nationwide religious census. The Secrétariat Général des Affaires Religieuses (SGAR) has reported approximately 85% Muslims and 4.3% Christians, with the remainder following traditional beliefs. A 2023 USDOS/SRA estimate reported approximately 84% Muslims, 11% Christians and 5% indigenous or other beliefs. Islam is mainly Maliki Sunni, with Sufi communities also present. Christian communities include Roman Catholic, Anglican, Baptist, Jehovah's Witness, Seventh-day Adventist and other evangelical groups. Christians are particularly concentrated in Conakry, the southern coast and Guinée Forestière, while indigenous belief systems are especially visible in the Forest Region. Indigenous rituals are also sometimes incorporated into Muslim or Christian practice. Small Bahá'í, Hindu, Buddhist and Chinese traditional communities are found mainly among foreign residents. The 2025 Constitution describes Guinea as a secular state, expressed by the term laïcité, meaning that public authority does not establish an official religion. It protects freedom of conscience and worship, permits religious communities to form and manage institutions within the law and public order, and prohibits discrimination because of religion or belief. Calls for religious hatred, discrimination or violence are prohibited. Marriage may not be restricted through religious discrimination. These constitutional rules take priority over older provisions that conflict with them. The SGAR develops and implements religious policy and supports religious culture, education, training, information and interfaith or intra-faith dialogue. Its structures include national directorates for Christian affairs, Islamic affairs, pilgrimages, places of worship and economic or endowment matters, together with an inspector general and reported regional inspectors. Major mosques in Conakry and regional capitals may have state-supported imam and administrative staff. The SGAR also sets weekly sermon themes. Under rules reported in 2023, religious groups may not own radio or television stations, while state television provides time for Islamic and Christian programmes. A religious community seeking formal registration generally submits written statutes, an address and an application to the SGAR. The application is forwarded to the Ministère de l'Administration du Territoire et de la Décentralisation for final approval and signature. The reported application fee is 250,000 GNF, and a registered community must submit a six-month activity report. Registration can provide VAT exemption for imports and access to selected energy support. An unregistered group may lose that access and face closure or the expulsion of its leadership, while available legal remedies are limited. Because these details come from reported 2023 practice and the constitutional framework changed in 2025, the current SGAR and ministry requirements should be checked before filing. Religious practice commonly takes place in mosques, churches and other recognized places of worship. Muslim observance includes daily prayer, Ramadan fasting, Qur'an instruction and madrassah education; a madrassah is a religious school, usually focused on Qur'anic and Islamic teaching. Christian practice includes worship, Lent, Easter, Assumption and Christmas. Ramadan, Eid al-Fitr, Mawlid and Tabaski, the local name commonly used for Eid al-Adha, follow the lunar calendar, so their Gregorian dates change each year. Official announcements determine dates and any practical changes to working hours. The government reported possible working-hour adjustments during Ramadan and the Christian fasting period in 2025. The SGAR coordinates the Muslim Hadj or Hajj pilgrimage to Mecca and also accompanies Christian pilgrimages. In 2025, more than 10,000 Guineans reportedly completed the Hadj. Registration, quotas, prices, transport, accommodation, data management, financial support and health or vaccination requirements can change by pilgrimage year, so applicants should rely on the current official arrangements. An informal interfaith council brings together the SGAR, Muslim representatives, Catholic, Anglican and other Protestant churches. Religious leaders may mediate disputes and support peace and social stability. The SGAR reported peace and public-awareness caravans in 2025. Local land or community conflicts, disputes over Islamic calendars or preaching and concerns about extremist violence can affect religious relations. Religious marriage rites can take place in a mosque, church or another authorized venue with an authorized imam, priest, pastor or religious or customary official. Both spouses must be at least 18, the marriage must be public, and two adult witnesses are required. Publication must remain open for 15 full days for possible opposition. The civil certificate is issued on the same day in three copies, but the marriage has legal effect only after compulsory transcription by the responsible état civil. A religious ceremony alone therefore does not create a fully effective civil marriage. Religious, ethnic and caste-based marriage impediments are prohibited, and forced marriage, including a leviratic obligation, is prohibited. A symbolic dowry is required under the Civil Code. Religious rites for birth and death may accompany state registration, but no direct religious substitute for civil registration is established.
Religion in Guinea
Religion in Guinea is shaped by a Muslim majority alongside Christian and indigenous belief communities. The Constitution protects freedom of conscience, worship and religious institutions while defining Guinea as a secular state. Mosques, churches, religious schools, pilgrimages, holidays, interfaith dialogue and religious marriage all have distinct legal or practical conditions.
Tip
Treat religion in Guinea as both a personal practice and, for communities and life events, a matter with formal state interfaces. Use the mosque, church or religious school that fits your practice, but verify registration, official holiday announcements, pilgrimage arrangements and civil records whenever legal status, public administration or travel is involved. A religious ceremony alone does not replace civil registration.

