According to reports by the Massachusetts Weapon-Related Injury Surveillance System and the Boston Police Department, there were 129 gun-related deaths and injuries to youths 19 years old and under in 1993. Nineteen of the victims died. A total of 105 of the incidents were violence-related, four were accidents, one was self-inflicted, and 19 had undetermined causes. Eighty-seven percent of the victims were males. Ninety of the victims were black, five white, and 14 Hispanic. On average, one out of every 46 black male teens aged 15-19 who lived in Boston were shot or stabbed in 1993; 20 wounds were fatal, and 106 were nonfatal. According to the Boston Police Department, 18 Boston teenagers aged 15-19 were murdered with firearms in 1993. In 1989, the most recent data year available, 18 teenagers were murdered with firearms in all of Canada. Other graphs and tables show quarterly trends in firearm injuries to Boston residents for 1992-1993, along with the percentage of victims 19 years old and under; firearm injuries by type for 1992; number of Boston homicide victims for each year from 1977 through 1993; the percentage of homicides committed with a firearm for 1977 through 1993; and the percentage of homicide victims who were 19 years old and under for 1977-93.