Why A Minimum Legal Drinking Age of 21 Works
After states raised their MLDA to 21 years in 1984, the percentage of people who drank before turning 21 went down.
- From 1985 to 1991, the percentage of young people (aged 18 to 20) who reported drinking alcohol during the past month dropped almost 20%—from 59% to 40%. A3
Young adults also drank less alcohol when states raised their MLDA.
- From 1985 to 1991, the percentage of young people (aged 21 to 25) who reported drinking during the past month dropped almost 15%— from 70% to 56%. A3
Did you know?
By following the MLDA laws, communities can reduce underage drinking. Learn more about underage drinking and how you can help prevent it.
The MLDA of 21 years helps lower the risk of developing alcohol and other substance use disorders, for those who drink alcohol. It also supports families and communities by leading to fewer harmful births, lower rates of suicide and homicide, and fewer deaths from alcohol poisoning.
Spotlight
Several national organizations have indicated support for the MLDA of age 21:
- American Academy of Pediatrics
- Community Preventive Services Task Force 4
- Mothers Against Drunk Driving 5
- National Highway Traffic Safety Administration
- National Prevention Council
- National Academy of Sciences (National Research Council and Institute of Medicine)
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