The Pew Research Center released a comprehensive demographic study of more than 200 countries this week. It found that there are 1.57 billion Muslims living in the world today, representing 23% of an estimated world population of 6.8 billion. It also found that many Muslim populations live in places they had not expected.

Thank you for printing your Sept. 10 article "Survey: Muslims facea lot of bias," featuring a Pew Research Center study on growing tolerance by Americans toward Muslims.

Kathleen Parker’s Article, “When Topic is Terror, Surveys Are Misleading” is in fact itself a very misleading interpretation of the recent Pew Research Center survey that found American Muslims to be largely moderate and mainstream.

The Chicago office of the Council on American-Islamic Relations (CAIR-Chicago) reacted today to the "first-ever" nation-wide survey of Muslim-Americans.