According to the study, alcohol is to blame for 4% of the worldwide deaths annually. Apart from health problems, alcohol is also a major factor in death due to injuries and violence.
According to Medical News Today, Alcohol is international killer number one.
Geo News (Pakistan TV News Channel) also reported on this study: Alcohol kills more than AIDS, TB or violence
Link to World Health Organization study: http://www.who.int/entity/substance_abuse/msbalcinuries.pdf
Other WHO studies on management of substance abuse are available at http://www.who.int/substance_abuse/publications/alcohol/en/