According to a study published Monday by the National Institutes of Health, a larger share of young people ages 18 to 30 reported using marijuana and hallucinogens last year than before.

New Yorkers Celebrate 4/20 Day In Washington Square Park

On World Weed Day in Washington Square Park, marijuana enthusiasts share a blunt.

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42% of young adults said they used marijuana in the past year, a significant increase from 34% five years ago and the highest share ever recorded, according to the survey.

More than one in 10 young adults said they used marijuana daily, nearly doubling from a decade ago, as monthly marijuana use reached 29% in 2021.

8% of young adults have used hallucinogen in the past year, more than double the rate in 2011.

The percentage of young adults who reported having 10 or more drinks in a row in the past two weeks was the highest it had been since 2005.

The rates of binge drinking and nicotine use went up last year after leveling off in 2020 during the first year of the Pandemic, according to the National Institute of Health.

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Since 1975, the Monitoring the Future study has asked teens about drug use. Some respondents are contacted for follow-up surveys to find out how their attitudes towards drug use change over time. The survey was given online to over 4,000 people. Marijuana use has increased through the decades as more states have legalized or decriminalized the drug. In addition to Washington, D.C. and Guam, 19 states have legalized recreational marijuana use. At the federal level, marijuana is still against the law. A growing number of Americans say they would like to see the drug legalized.

The number of adults who support legalizing marijuana is a record high.

Is marijuana legal where I live? There is a guide to marijuana legalization.