Here is how you measure atrocities by the degrees of their severity.
Extrajudicial Executions
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Extremism
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Mass Murder
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Genocide
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Human Experimentation
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Man-made Famines
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Disappearances
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Sterilizations/Euthanasia
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Eugenics
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Forced Labor
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme
Other
1st Degree None Existent
2nd Degree Very Low
3rd Degree Mild
4th Degree High
5th Degree Extreme