Beer is the world's most widely consumed alcoholic beverage,and the third-most popular drink overall, after water and tea. It is thought by some to be the oldest fermented beverage. Beer is sold in bottles and cans and in pubs and bars is available on draught .The strength of beer is usually around 4% to 6% abv, although it may vary between 0.5% (de-alcoholized) and 20%, with some breweries creating examples of 40% abv and above. According to the 2013 Kirin Beer University Report, production has been growing steadily for the past 29 years, with the world generating nearly 193 million kiloliters of the refreshing stuff in 2013 alone - that's 212 olympic swimming pools full of beer every day. let's take a look at the Best-Selling Beer in the World!