The report also revealed that a 110,000 children under the age of 15 worldwide were among the AIDS victims that year. However, the total number of AIDS-related deaths has fallen by 45 percent since its peak in 2005.
Tuberculosis remains the leading cause of death among people living with HIV. It accounts for about a third of the deaths related to AIDS.
Regionally, the greatest spike in the number of HIV infections over the period 2010-2015 was in Eastern Europe and Central Asia, with a 57 percent increase.
UNAIDS stressed that greater investment of up to $26.2 billion is required to provide access to necessary antiretroviral therapy for 2020.