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In page Niger:

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The majority of Muslims in Niger are Sunni, 7% are Shi'a, 5% are Ahmadiyya and 20% non-denominational.[1][2] Islam was spread into what is now Niger beginning in the 15th century, by both the expansion of the Songhai Empire in the west, and the influence of the Trans-Saharan trade traveling from the Maghreb and Egypt. Tuareg expansion from the north, culminating in their seizure of the far eastern oases from the Kanem–Bornu Empire in the 17th centuries, spread distinctively Berber practices.[citation needed]