reign expats. About 7 percent of Bangkok's population (excluding illegal immigrants who constitute about 5–8 percent of population) live below the poverty line compared to the national average of 9 percent.
Bangkok has a reputation as a major destination in the sex industry. Although Prostitution in Thailand is technically illegal, it can be found all over Bangkok in vast numbers of massage parlors, saunas, parks, and hourly hotels, serving foreign tourists as well as locals. Bangkok has acquired the nickname, "Sin City of Asia" for its level of sex tourism. The industry took off in the 1960s to serve some 700,000 American soldiers who took leave in the city during the Vietnam War
