Age distribution of men who are HIV positive and age distribution of their last sexual partner, Zambia Demographic and Health Surveys, 2013
Source: Authors’ analysis of ZDHS from 2013. and tag "The plots represent smoothed density functions, reported as percentages in the Y-axis (e.g., in the solid red line, the value at age 30 indicates that ∼3% of HIV positive men were 30 years old in 2013).