A blog from Christianity Today has posted data on The History of Martyrdom:
The number of people who have died for their faith has shot up dramatically since the 20th century, dwarfing every other period. Other observations: Since martyrs are defined according to the definition of each tradition, the Muslim martyrs would include those killed while fighting in jihads, which is how nearly all of the Muslim wars of conquest have been classified. Also, it would appear that Protestants hardly ever martyr anyone!
What other conclusions can you draw from this data?
HT: One Eternal Day