This interactive map provides a brief overview, based on news reports, of 35 proposed mosques and Islamic centers that have encountered community resistance in the last two years.
A new survey of Muslims conducted in 39 countries sheds new light on beliefs and practices across the globe.
More than a year after the first stirrings of the Arab Spring, there continues to be a strong desire for democracy in Arab and other predominantly Muslim nations. A substantial number in key Muslim countries also want a large role for Islam in political life. Meanwhile, few think the U.S. favors democracy in the Middle East.
Key findings from the 2011 survey of 1,033 Muslim American adults 18 years old and older.
While a majority of Muslim Americans say they have endured suspicion and enhanced scrutiny since the 9/11 attacks nearly 10 years ago, a wide-ranging survey finds no indication of increased alienation and anger or rising support for Islamic extremism. On the contrary, majorities of Muslim Americans express concern about the possible rise of Islamic extremism, both here and abroad.
The public remains divided over whether Islam is more likely than other religions to encourage violence among its believers. Political and ideological divisions are wide, though. Most conservatives and Tea Party supporters link Islam with violence.
Though still small in volume, mainstream media coverage of religion in 2010 doubled over the preceding year. Events and controversies related to Islam -- especially a proposed Islamic center in New York City -- dominated coverage, bumping the Catholic Church from the top spot.
In a survey conducted last spring, a majority of Egyptian Muslims said that democracy was preferable to any other kind of government. An overwhelming majority also believes Islam's influence in politics is positive.
The world's Muslim population is expected to increase by about 35% in the next 20 years, rising from 1.6 billion in 2010 to 2.2 billion by 2030, according to new population projections by the Pew Research Center's Forum on Religion & Public Life. Globally, the Muslim population is forecast to grow at about twice the rate of the non-Muslim population over the next two decades.
These maps allow users to select a country, a region or the world - as well as a decade - and see the size of the Muslim population in that place and time.