ConfDeaths. Cumulative deaths in ongoing conflicts. These data are from the SIPRI Yearbook. But they are so sparse that they have little use
Contiguity. Data provided, courtesy of Paul Diehl, with the assistance of Jaroslav Tir. The scale is: 1=land contiguity; 2=0=12 miles; 3=12-24 miles; 4=24-150 miles; 5=150-400 miles; 6=more than 400 miles