Bud Light a single brand of beer hold command of 15.4% of the entire US domestic beer market. And although that isnt as dominant as Budweiser at the peak of its popularity, Bud Light is an absolutely big brand. Despite the fact that we live in the Golden Age of craft beer. But this dominance is a little strange. Products that are normally marketed as diet are usually niche products in other industries not the dominant players. So how did Bud Light come to dominate the US beer market and are they starting to slip?