Islam and Sikhism Moses, Jesus and Mohammed in other religions. Islam believes that before Muhammad there were many messengers of God, Muhammad was the last messenger, and Quran was the last revelation to the last prophet. The Five Pillars of Islam are duties incumbent on every Muslim. These duties are Shahada (testimony that "There is no god but God and Muhammad is the messenger of God"), Salat (prayers), Zakat (Giving of Alms), Sawm (Fasting during Ramadan) and Hajj (pilgrimage to Mecca). These five practices are essential to Sunni Islam; Shi'a Muslims subscribe to eight ritual practices which substantially overlap with the five Pillars.
Islam in the United States into prison as non-Muslims. He also says that 80% of the prisoners who "find faith" while in prison convert to Islam. These converted inmates are mostly African American, with a small but growing Hispanic minority. Waller also asserts that many converts are radicalized by outside Islamist groups linked to terrorism, but other experts suggest that when radicalization does occur it has little to no connection with these outside interests. There were calculated to be 2.595 million Muslim adherents across the United States in 2010. Islamic populations are 0.6% of the US population per Fareed Zakaria quoting Pew Research Center, 2010.