1.South Africa/Swaziland
South Africa tops the list of most people infected with HIV/AIDS, with 5.3 million. But the highest percentage of people in any one country with HIV/AIDS is Swaziland, with 26.1 percent.
2.India/Botswana
India has the second-highest population with HIV/AIDS, numbering 5.1 million people, with the second highest-percentage of infection in Botswana, at 23.9 percent.
Third place in population is Nigeria with 3.6 million people; in percentage, it is the African country of Lesotho, with 23.2 percent. Placements of four through 10 will show the population ranking first, then percentage rank.