Original sentence: 2.35 million (2007) Pew Research Center.According to a 2007 survey by the Pew Research Center, the number of Muslims in the United States is estimated at 2.35 million, of which 65% are foreign-born, 20% are native-born African Americans and 15% are native-born Americans of non-African American ethnicity.African Americans Muslims include those who have converted to Islam during the last seventy years, first into the Nation of Islam and then into mainstream Sunni Islam.Much of the growth in the Muslim population has thus been driven by immigration of Muslims from Muslim-majority nations
Edited sentence: 1.4 million (2007) Pew Research Center [0.6% of national adult population].<ref name="Pew web">.Among the foreign-born, most have immigrated since 1990.However, up to one-third of American Muslims are African Americans who have converted to Islam during the last seventy years, first into the Nation of Islam and then into mainstream Sunni Islam.Much of the growth has been driven by immigration of Muslims from Muslim-majority nations.Of the roughly one-third of Muslim-Americans that are native-born, the majority are converts and African-American.The 2007 Pew survey of Muslim Americans finds two-thirds of the Muslim-Americans are foreign-born