<Tr> <Th> Louisiana </Th> <Td>? </Td> <Td> As of 1948: 18 </Td> <Td> 18 </Td> <Td> 1987: Raised to 21 de jure in 1987, but de facto age was still 18 until 1995 due to a sale loophole . 1995: De facto age raised to 21 in 1995 when loophole was closed . 1996: In 1996, briefly lowered by Louisiana Supreme Court to 18 until it reversed its decision, raising to 21 three months later . Other exceptions still remain . </Td> <Td> 21 (Exceptions to state law include: <P> For an established religious purpose; When a person under twenty - one years of age is accompanied by a parent, spouse, or legal guardian twenty - one years of age or older; For medical purposes when purchased as an over the counter medication, or when prescribed or administered by a licensed physician, pharmacist, dentist, nurse, hospital, or medical institution; In a private residence, which shall include a residential dwelling and up to twenty contiguous acres, on which the dwelling is located, owned by the same person who owns the dwelling; The sale, handling, transport, or service in dispensing of any alcoholic beverage pursuant to lawful ownership of an establishment or to lawful employment of a person under twenty - one years of age by a duly licensed manufacturer, wholesaler, or retailer of beverage alcohol .) </P> </Td> </Tr> <P> For an established religious purpose; When a person under twenty - one years of age is accompanied by a parent, spouse, or legal guardian twenty - one years of age or older; For medical purposes when purchased as an over the counter medication, or when prescribed or administered by a licensed physician, pharmacist, dentist, nurse, hospital, or medical institution; In a private residence, which shall include a residential dwelling and up to twenty contiguous acres, on which the dwelling is located, owned by the same person who owns the dwelling; The sale, handling, transport, or service in dispensing of any alcoholic beverage pursuant to lawful ownership of an establishment or to lawful employment of a person under twenty - one years of age by a duly licensed manufacturer, wholesaler, or retailer of beverage alcohol .) </P> <Tr> <Th> Maine </Th> <Td>? </Td> <Td> 21 1969: Lowered to 20 </Td> <Td> 1972: Lowered to 18 1977: Raised to 20 </Td> <Td> 1985: Raised to 21 </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Maryland </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1974: Lowered to 18: for beer and wine 21: for liquor </Td> <Td> 1982: Raised to 21 with grandfather clause </Td> <Td> 21 (however anyone can drink when parents, spouses, teachers are present) </Td> </Tr>

What states in the us is the drinking age 18