The legal age to smoke weed, or consume cannabis, varies significantly by country and sometimes within different regions of the same country:Uruguay: The legal age is 18 years old.United States: Most states that have legalized recreational cannabis set the legal age at 21 years old.Canada: The legal age varies by province; it is 19 in most provinces, 18 in Alberta, and 21 in Quebec.Netherlands: The legal age to smoke cannabis in a 'coffeeshop' is 18 years old.If a minor is caught smoking weed in the United States penalties vary by state and jurisdiction.For example, in some states like Colorado, minors caught with marijuana might face fines of $100 or less, community service, or even detention in a juvenile facility. The specific penalties depend on the jurisdiction and the laws in place.According to US Federal Law, possession of marijuana by minors is punishable by up to one year in jail and a minimum fine of $1,000 for a first conviction.It's essential for minors caught smoking weed to understand the potential consequences and seek legal advice from an experienced criminal defense attorney to minimize the impact on their life.