The study uses the most recent data available from the Federal Bureau of Investigation's unpublished Supplementary Homicide Report and is released each year to coincide with Domestic Violence Awareness Month in October.
Ranked behind Louisiana were: Alaska at 2 with a rate of 2.44 per 100,000; Wyoming at 3 with a rate of 2.33 per 100,000; Arkansas at 4 with a rate of 2.29 per 100,000; Nevada at 5 with a rate of 2.23 per 100,000; Alabama at 6 with a rate of 2.22 per 100,000; New Mexico at 7 with a rate of 2.21 per 100,000; South Carolina at 8 with a rate of 2.04 per 100,000; Oklahoma at 9 with a rate of 2.03 per 100,000; and, Arizona at 10 with a rate of 1.92 per 100,000. Nationally, the rate of women killed by men in single victim/single offender instances was 1.30 per 100,000.