Figure 1. Chlamydia — Rates of Reported Cases by Sex, United States, 2000–2017

Figure 1. Line graph showing rates of reported cases of chlamydia in the United States from 2000 to 2017 for men, women, and the total population. Data for the total population provided in table 1.

NOTE: Data collection for chlamydia began in 1984 and chlamydia was made nationally notifiable in 1995; however, chlamydia was not reportable in all 50 states and the District of Columbia until 2000. Refer to the National Notifiable Disease Surveillance System (NNDSS) website for more information: