According to the paper "Estimating the prevalence and career longevity of prostitute women", the number of full-time equivalent prostitutes in a typical area in the United States (Colorado Springs, CO, during 1970–1988) is estimated at 23 per 100,000 population (0.023%), of which some 4% were under 18.
Prema američkom članku „Estimating the prevalence and career longevity of prostitute women“ (1990.) broj prostitutki u tipičnom okruženju u SAD-u (Colorado Springs, CO, 1970.-1988.) je procijenjen na 23 na 100.000 stanovnika, od kojih je 4 % bilo mlađe od 18 godina.