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Short answers to the big beer questions, each with its sources.
- What is Trappist beer?Trappist beer is beer brewed inside a Trappist (Cistercian of the Strict Observance) monastery, under the monks' control, with profits going to the community or charity. Since 1997 the International Trappist Association certifies it with the Authentic Trappist Product label.
- What is the difference between ale and lager?Ale is fermented with Saccharomyces cerevisiae at about 15 to 24 °C, which produces fruity flavors. Lager is fermented with Saccharomyces pastorianus at about 7 to 13 °C and then cold-conditioned, which gives a cleaner, crisper taste.
- How is beer made?Beer is made by malting grain, mashing it in hot water to turn starch into sugar, separating the sweet liquid (wort), boiling it with hops, fermenting it with yeast into alcohol and carbon dioxide, then conditioning, filtering and packaging it.
- What is the Reinheitsgebot?The Reinheitsgebot is the Bavarian beer purity decree of 23 April 1516, which limited beer ingredients to barley, hops and water. Its principles survive in Germany's 1993 Provisional Beer Law, which allows water, malt, hops and yeast, with extra grains and sugar for some top-fermented beers.
- Beer glossary: essential terms from ABV to wortThis beer glossary defines 70 core brewing and tasting terms, including ABV (alcohol by volume), IBU (bitterness), EBC and SRM (color), wort (unfermented beer), attenuation, dry hopping, lagering, krausen, Brettanomyces and lambic.
- Which beer glass should you use?Match the glass to the beer: tall weizen glasses for wheat beer, slim pilsner glasses and stanges for crisp lagers and Kölsch, tulips and teku for aromatic IPAs and Belgian ales, chalices for dubbels and tripels, snifters for strong beers, and pints for everyday ales and stouts.
- Which countries drink the most beer?China drinks the most beer in total, about 40.5 billion liters in 2024, while Czechia drinks the most per person, 148.8 liters per capita in 2024, its 32nd straight year at the top (Kirin Holdings). World consumption reached about 194.1 billion liters in 2024.
- The oldest breweries in the worldThe 50 oldest breweries still making beer, ranked by founding year.
- Beer stylesEvery major beer style: origin, strength, taste and examples.
- Beer by countryWhat every country brews, with its breweries on a map.