The highest rates AND the lowest rates happened to be in Christian countries.

The 20 countries with the lowest rates from the higher down are: Czech Republic, Poland, Slovenia, Spain, Luxembourg, Netherlands, Madagascar, Norway, Indonesia, Bahrain, Austria, Switzerland, Kuwait, French Polynesia (France), Japan, Singapore, Iceland, Andorra, San Marino, and Monaco.

Of the 20 countries with the lowest homicide rates, 15 are Christian. You were quick to jump to conclusions.