Work out substance use treatment demand instantly with clear inputs, formula shown and shareable results.
Applies prevalence and treatment-seeking rates to the population and converts the resulting demand into the number of services needed.
Treatment demand
Demand = population x prevalence x annual treatment-seeking share; services = demand / places per service
Stigma, criminalisation, cost and low perceived need all suppress help seeking, so measured demand understates need.
Only if retention is good; high dropout means more people cycle through the same places each year.