Final answer:
The current number of people worldwide living with HIV infections is in the millions, with the majority of those affected being in Sub-Saharan Africa. Since its discovery, AIDS has led to over 20 million deaths worldwide.
Step-by-step explanation:
The current number of people worldwide who are living with HIV infections is in the millions. According to the sources provided, as of 2015, there were approximately 33 million people living with HIV worldwide. The majority of those affected are in Sub-Saharan Africa. The epidemic has had a devastating impact, with over 20 million deaths from AIDS since its discovery.