Formal sex education is the decline in the United States, especially in rural areas.

“In the 2006 to 2010 surveys, 70 percent of girls and 61 percent of boys said they had received formal instruction about birth control, which dropped to 60 percent and 55 percent, respectively, in the 2011 to 2013 surveys.

School nurse giving sex education

School nurse giving sex education, Peter Dazeley, Getty images, Huffington Post 

Girls also reported less formal education on STDs, HIV and AIDS prevention, and saying no to sex over time. Both girls and boys reported more formal education in saying no to sex without instruction about birth control in the second survey wave, the researchers report in the Journal of Adolescent Health.”

State and local education policies dictate how and if schools will address sex education for school-age children.

Read more about the decline here: