The percentage of pimps not convicted or charged is unknown.
The Korean Institute of Criminology of 10,000 analysed convicted cases for sexual assault of minors under the age of 19 including rape, molestation and prostitution between 2000 and 2010.
Over the past 11 years, the average age of minors who were victims of sex crimes was 12.8 years old, according to the ministry. The average age of rape victims that were minors was 15.3 years old in 2000, which dropped to 14.6 by 2010. Likewise, the average age of minors that were coerced or forced into prostitution dropped from 17.2 years old in 2000 to 15.8 years by 2010.