What country drinks the most Guinness?

The United Kingdom drinks the most Guinness. Guinness is an Irish dry stout that originated in the St. James's Gate Brewery in Dublin, Ireland. However, the United Kingdom is the largest market for Guinness, accounting for over half of all Guinness sales worldwide. The popularity of Guinness in the UK is due to a number of factors, including the large Irish population in the UK, the strong cultural ties between the two countries, and the fact that Guinness is a popular drink in pubs and bars throughout the UK.