3. TIL In the '80s, the drinking age was raised from 18 to 21 nationally because Re...

TIL In the '80s, the drinking age was raised from 18 to 21 nationally because Reagan passed a bill in 1984 that required states to raise their drinking age to 21. They don't have to make it 21 per se, but if they chose to opt-out, they would simply be ineligible for federal highway funding.

https://one.nhtsa.gov/people/injury/research/feweryoungdrivers/iv__what_caused.htm

Basically, no, it worked:

  • High school seniors drank more in MLDA 18 states than in MLDA 21 states.
  • High school senior drinking decreases throughout the 1980s were not due solely to increasing the MLDA � drinking also decreased in states with MLDA 21 throughout the 1980s.
  • After controlling for sex, race, parent education, urbanicity, and region of the country, the MLDA remained a significant predictor of alcohol use: high school seniors drank less if the MLDA was 21 than if it was lower.
  • Even after they reached the age of 21, persons in MLDA 21 states drank slightly less than persons in MLDA 18 states.
  • MLDA 21 reduced traffic crashes, and this is directly the result of lower alcohol consumption.
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