The Pope arrived in the United States Wednesday in his first official trip to the U.S. since his papacy began in 2012. Author Rany Mostafa writes "According to a 2012 report issued by the Egyptian State Information Service (SIS,) Copts (Egyptian Christians) represent 10 percent of the country’s population."

Cornelis Hulsman: A few days earlier Rany Mostafa wrote 15%. See:

http://www.arabwestreport.info/en/coptic-catholic-church-stand-neutral-d...

Also the 10% is inaccurate. This is closer to 6%. See: http://www.arabwestreport.info/en/discrepancies-between-coptic-statistic...