Methodology

All surveys were designed and funded entirely by The Gallup Organization.

London Muslims:

• Field period for this data: November 29, 2006 to January 18, 2007
• Probability sample in neighborhoods where Muslim penetration was 5% or more
• All interviews conducted in home, face-to-face
• Target: total adult population, ages 15+
• 500 interviews in London
• Associated sampling error: +/- 5%

British Public:

• Field period for this data: December 18, 2006 to January 9, 2007
• Random digit dialing
• Phone interviews
• Target: total adult population, ages 15+
• 1,200 interviews nationwide
• Associated error: +/- 3%