Seoul has the most sex crimes in the country and the lowest arrest rate.
According to data from the National Police Agency on Thursday, the capital had the most sex crimes at 43,464, followed by surrounding Gyeonggi Province with 32,854 and Busan with 11,513.
But Busan topped the list at for arrests with 89.3 percent, and Seoul had the second lowest rate of 76.4 percent, only higher than Jeju's 65.5 percent.
In Seoul Gangnam District had the highest number of sex crimes over the past six years, followed by Gwanak and Seocho. Gwanak saw the most sexual harassment, and Gangnam had the most cases of hidden cameras. But Gangnam's arrest record was poor at just 66.7 percent, ranking 13th from the bottom among 252 districts nationwide.
Gwanak and Seocho performed even worse, ranking 10th and eighth from the bottom.
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