What percentage of women use drugs?

50% From the national institute on drug abuse: 50% of women aged 15-44 have used drugs recreationally in their lifetime, with most having used more than one. 9 million women use illegal drugs in any given year & almost 4 million have abused prescription drugs. 6 million women use marijuana & 2 million use Cocaine in any given year. 70% of aids cases in women are drug use related.