STD Stats

Chlamydia—United States

In 2013, a total of 1,401,906 chlamydial infections were reported to CDC in 50 states and the District of Columbia

This case count corresponds to a rate of 446.6 cases per 100,000 population. During 1993–2011, the rate of reported chlamydial infection increased from 178.0 to 453.4 cases per 100,000 population

1). During 2011–2012, the national rate of reported cases remained stable (453.4 to 453.3 cases per 100,000). During 2012–2013, the rate decreased 1.5% to 446.6 cases per 100,000.

This is the first time since national reporting began that the rate of reported cases of chlamydia has decreased.

Chlamydia USA1

Primary and Secondary Syphilis in the U.S.

In 2000 there were 5979 reported cases of primary and secondary Syphilis in the U.S.

Woman 41% and Men 59%

In 2005 8724 reported cases of Primary and secondary Syphilis.

In 2010 13.774 Cases Reported

In 2014 19.999 cases reported

91% of Men and 9% in Woman – 83 % of the cases reported in 2014 affected Men who have sex with Men.

that’s an increase in reported cases by 220% from the year 2000.