Domestic abuse isn't limited to women -- men are often victims as well, even at the hands of their romantic partners.
One source even thinks the number is underestimated because police are less likely to file reports if the quarrel is domestic, as opposed to an altercation between two strangers [source: Cook].
In addition, men were 9 percent less likely than women to report any crime if they are victims, according to one analysis [source: McLeod]. The Justice Department found similar results, stating that men are 11 percent less likely to report a violent crime against them [source: Cook]. Another reason this frightening statistic is not well-known is because cases of mutual abuse -- in which both a man and a woman are violent -- overshadow cases in which men are sole victims.
Read on to learn about the No. 1 killer of men in the United States.