More Guinness is consumed in Nigeria than in Ireland as it consumes the second most globally behind the UK. Guinness has been sold in Nigeria since 1827. The United States consumes the fourth most Guinness worldwide. – WTF Fun Facts
Source: https://www.irishpost.com/news/top-5-guinness-drinking-countries-world-176215
More Guinness is consumed in Nigeria, which consumes the second most globally behind only the UK, than in Ireland.