Beer is the most popular alcoholic beverage worldwide. In fact, after water and tea, beer is the most commonly consumed drink in the world. Beer is also most likely the oldest alcoholic drink in history. A standard beer, whether it be a lager or an ale, has between 4% to 6% ABV, although some beers have higher or lower concentrations of alcohol. For example, “light beers” only have between 2% to 4% ABV while “malt liquors” have between 6% to 8%.

Source: Alcohol Rehab Guide