Seoul, South Korea, is the global plastic surgery capital. The high-status neighborhood of Gangnam reportedly has 500 aesthetic centers alone. South Korea is the largest market for plastic surgery per capita in the world. It is estimated between 1/5 and 1/3 of the women in Seoul have gone under the knife for at least one cosmetic procedure.

Source: http://www.businessinsider.com/south-korea-is-the-plastic-surgery-capital-of-the-world-2015-9?IR=T, https://www.factretriever.com/south-korea-facts