State & Local Laws


In the U.S. 200 proof alcohol (pure alcohol) is rarely found outside a laboratory. That’s because if pure alcohol is exposed to the air, it will absorb moisture from the atmosphere and self-dilute down to about 194 proof.

Drinking Alcohol Under Age of 21 (Underage Drinking) Not Prohibited in 33 U.S. States

All states in the U.S. prohibit the sale of alcoholic beverages to anyone under the age of 21 as well as its purchase by such individuals. However, 33 states (two out of three) permit so-called underage persons to consume alcohol or to consume it under certain circumstances.

Drinking Under Age 21 Permitted 
Drinking Under Age 21 Permitted if Parent or Guardians is Present 
Drinking Under Age 21 Permitted in Parents’ or Guardians’ Home if They are Home 
Drinking Under Age 21 Permitted if  parent or Guardian Present OR if Married 
Drinking Under Age 21 Permitted if Married and Spouse or Parent/Guardian Present 

Disclaimer: This page and web site do not provide legal advice and there is no warranty implied. Readers are advised to consult a lawyer  to determine the applicability of alcohol laws and their interpretation to their specific circumstances.


  •  Alcohol Policy Information System of the National Institute of Alcohol Abuse and Alcoholism.

filed under: Legal

This site does not dispense medical, legal, or any other advice and none should be inferred.
For more fine print, read the disclaimer.