Chlamydia rates by age group and sex in the United States, 2020

In 2020, women aged 20 to 24 years had the highest rate of reported cases of chlamydia (3729.6 per 100,000), followed by those aged 15 to 19 years (2857.9 per 100,000) and 25 to 29 years (1548.0 per 100,000). Among men, those aged 20 to 24 years had the highest rate of reported cases of chlamydia (1627.3 per 100,000), followed by those aged 25 to 29 years (988.3 per 100,000) and 15 to 19 years (846.3 per 100,000).