Swaziland is the top country by prevalence of HIV among men in the world. As of 2015, prevalence of HIV among men in Swaziland was 7.3 %. The top 5 countries also includes Lesotho, South Africa, Botswana, and Zimbabwe.
Prevalence of HIV is the percentage of people who are infected with HIV. Youth rates are as a percentage of the relevant age group.