In 1990, 935 million people were [[Muslim]]s. According to the [[BBC]], a comprehensive American study concluded in 2009 the number stood at approximately 23% of the world population with 60% of Muslims living in Asia.<ref name="Pew Reference #2 (from BBC site)">{{Cite news|url=http://news.bbc.co.uk/1/hi/8296200.stm|title=One in four is Muslim, study says|last=|first=|publisher=BBC News Website|accessdate=|date=2009-10-08}}</ref> From 1990 to 2010, the global Muslim population increased at an average annual rate of 2.2%. By 2030 Muslims are projected to represent about 26.4% of the global population (out of a total of 7.9 billion people).<ref name="PewIslam2011">[http://www.pewforum.org/The-Future-of-the-Global-Muslim-Population.aspx "The Future of Global Muslim Population: Projections from 2010 to 2013"] Accessed July 2013.</ref> Several sources believe that this increase is due primarily to extremely high birth rates.<ref>Barrett, David A. [http://www.bible.ca/global-religion-statistics-world-christian-encyclopedia.htm "Global Statistics for all religions: 2001 AD, Table 1:1"], accessed May 7, 2011. Referencing “World Christian Encyclopedia”, 2001, p. 4.</ref><ref>Huntington, Samuel. [http://books.google.com/books?id=LO4xG-bH1CQC&printsec=frontcover&dq=The+Clash+of+Civilizations+and+the+Remaking+of+World+Order&hl=en&sa=X&ei=J7ziUa2rGoLfrAH-y4CADA&ved=0CC8Q6AEwAA "The Clash of Civilizations and the Remaking of World Order,"] Touchstone Books, 1998, p. 65-66.</ref><ref>Robinson, B. A. [http://www.religioustolerance.org/worldrel.htm], Religious Tolerence.org, “Numbers of adherents; names of houses of worship; names of leaders; rates of growth...”, 1997 -2009, accessed May 5, 2011.</ref>
According to the [[Carnegie Endowment for International Peace]], the World Christian Database as of 2007 Islam is the fastest growing religion in the world<ref>{{cite news
