1. United States of America
Rate of chlamydia per 100,000 people: 479
Ranking based on chlamydia: 3
Rate of gonorrhea per 100,000 people: 124
Ranking based on gonorrhea: 1
Rate of syphilis per 100,000 people: 8
Ranking based on syphilis: 6
Insider Monkey Score: 3.33
The good old USA tops the list of countries with the highest STD rates in the developed world. While the government has taken steps to spread awareness regarding safe sex, it is still not a very common practice in the country.
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