The CDC estimates that of the 11,521 male adults or adolescents with a diagnosis of HIV in the US and 6 US dependent territories who died in 2014, in 6,195 cases the disease was reportedly transmitted through male-to-male sexual contact; 2,471 cases were reportedly transmitted through injection drug use; 1,221 cases were transmitted through male-to-male sexual contact and injection drug use; 1,543 cases were reportedly transmitted through heterosexual contact; 31 cases were transmitted through perinatal exposure; and 60 cases were attributed to "other."

The CDC estimates that of the 4,069 female adults or adolescents with a diagnosis of HIV in the US and 6 dependent territories who died in 2014, in 1,426 cases the disease was reportedly transmitted through injection drug use; 2,582 cases were reportedly transmitted through heterosexual contact; 32 cases were transmitted through perinatal exposure; and 28 cases were attributed to "other."

Source

Centers for Disease Control and Prevention. HIV Surveillance Report, 2015; vol. 27, Table 14b, pp. 73-74. Published November 2016. Last accessed March 3, 2017.
http://www.cdc.gov/hiv/librar…
https://www.cdc.gov/hiv/pdf/l…