Since Portugal decriminalized all drug possession: Teenaged illegal drug use increased, new HIV infections from sharing needles increased, but the prison population has declined. Drug use is down compared to other European countries, but drug deaths have increased. Drug use is up compared to other European countries, but drug deaths have decreased. Teenaged illegal drug use declined, new HIV infections from sharing needles declined, and the prison population also declined.

Since Portugal decriminalized all drug possession: Teenaged illegal drug use increased, new HIV infections from sharing needles increased, but the prison population has declined. Drug use is down compared to other European countries, but drug deaths have increased. Drug use is up compared to other European countries, but drug deaths have decreased. Teenaged illegal drug use declined, new HIV infections from sharing needles declined, and the prison population also declined.