Approximately 7% of the global population aged 15 and older lives with an alcohol use disorder (AUD), which is the medical term for what is colloquially known as alcoholism.
Prevalence of alcohol use disorders
It's estimated that globally, around 1 percent of the population has an alcohol use disorder. At the country level, as shown in the chart, this ranges from around 0.5 to 5 percent of the population.
Research on non-drinkers
According to Global Status Report on Alcohol and Health, published by WHO in 2011, close to half of the world's adult population (45 percent) are lifetime abstainers.
The 1-2-3 drinking rule is a guideline for moderation: 1 drink per hour, no more than 2 drinks per occasion, and at least 3 alcohol-free days each week, helping to pace consumption and stay within safer limits. It emphasizes pacing alcohol intake with water and food, knowing standard drink sizes (12oz beer, 5oz wine, 1.5oz spirits), and avoiding daily drinking to reduce health risks, though some health guidance suggests even lower limits.
In 2024, 25% of Americans 21 or older did not drink any alcohol at all. Why do people not drink? The main reasons are: Just don't want to.
The major causes of alcohol-related death are alcohol poisoning, cancer, car accidents, heart failure, liver damage, and violence.
Gen Z leads the sober curious movement, with 65% planning to drink less and 39% committing to a fully dry lifestyle in 2025. This is in comparison with 30% of baby boomers and 49% of Gen Xers who say they plan to drink less in the new year.
Two fingers means a single pour. Three fingers means a double pour. Served neat in a rocks glass. It's old school.
If you do experience early symptoms of ARLD, these are often quite vague, such as:
"Heavy or excessive drinking" is defined as consuming more than four drinks a day for men and more than three drinks per day for women.
By age 50, first or sustained remission was reported by 60% of participants. Specifically, sustained remission was reported by 45% of this 60% The greatest incidence of remission from alcohol use disorder occurred between age 30 and 35.
Top 15 Countries With The Highest Alcohol Consumption
Americans' Use of Alcoholic Beverages, 1939-2025
The latest 54% who say they use alcoholic beverages is down 13 points since 2022 and lower than the 71% record high 1976 through 1978.
It encompasses the conditions that some people refer to as alcohol abuse, alcohol dependence, alcohol addiction, and the colloquial term, alcoholism. Considered a brain disorder, AUD can be mild, moderate, or severe.
According to the WHO, US has the lowest rate of alcohol dependence with only 1.92 per cent.
Myth 3: Drinking hard liquor is worse than drinking beer or wine. Contrary to popular belief, the type of alcohol you drink doesn't make a difference – what matters is how much you drink. "The safe limit is fixed at 14 units a week," explains Dr Lui. "Below this limit, alcoholic fatty liver is less likely to occur.
Alcoholic Cirrhosis
The most severe form of ARLD is cirrhosis, characterized by widespread scarring (fibrosis) that distorts the liver's structure and impairs its function. Timeline to Development: Cirrhosis typically develops after 10-20 years of heavy drinking, according to the American Liver Foundation.
In your case, black, loose stools accompanied by abdominal pain after consuming alcohol strongly suggest gastrointestinal bleeding. This requires immediate medical care and cannot be treated with home remedies or diet changes alone.
The "3-2-1" (or often "1-2-3") drinking rule is a guideline for moderate alcohol consumption: 1 drink per hour, no more than 2 drinks per occasion, and at least 3 alcohol-free days per week, helping to pace intake and reduce risks. It aligns with official health advice, emphasizing that the body processes only about one standard drink (e.g., 12oz beer, 5oz wine) per hour, and provides a framework for mindful drinking to avoid binge patterns and health issues, though it's a simplification of broader guidelines.
A note on drinking level terms used in this Core article: The 2020-2025 U.S. Dietary Guidelines states that for adults who choose to drink alcohol, women should have 1 drink or less in a day and men should have 2 drinks or less in a day. These amounts are not intended as an average but rather a daily limit.
In part due to the COVID-19 pandemic and in part because of other cultural forces, Gen Z is rapidly becoming a more reclusive generation, and one that socializes differently. But now, it is becoming clear that young people are going out less and staying in more, in part because we are less inclined to drink alcohol.
Millennials have built a reputation as the heaviest- drinking generation, and the data supports it. Studies show they spend more on alcohol than any other age group, particularly on wine, craft beer, and premium spirits.
Here's a look at some of the trending substances being abused by Gen Z today: