How many people have STDs?

Every year in the United States, the CDC estimates that there are 19.7 million new STD infections. Total estimates for those currently affected by the most prevalent STD/STI infections is around 110 million. 20% of those infected are between the ages of 15-24 years old, and it’s also believed that during their lifetime, 1 in 2 sexually active men and women will contract an STD/STI infection by the time they reach the age of 25.