The Christian Post reports the Top 10 countries in which Christians face the most persecution. They noted that more than half of the list was made of Islamic countries (Saudi Arabia, Iran, Afghanistan, Somalia, Maldives, Yemen, and Uzbekistan):
1. North Korea
2. Saudi Arabia
And for more information on persuction happening around the world, Voice of the Martrys is a good site to check out.
"Remember those who are in prison, as though in prison with them, and those who are mistreated, since you also are in the body." - Hebrews 13:3