This article explores the history of tea and coffee in Japan, as well as which one is more popular among the Japanese people. It looks at traditional tea culture in Japan, the rise of coffee culture, the influence of Western culture on Japanese coffee consumption, and factors influencing tea and coffee preferences. Green tea is found to be the most popular type of tea consumed today due to its health benefits, while specialty coffees from cafes are favored by younger generations. In conclusion, both beverages remain popular within Japanese society with green tea slightly ahead in terms of numbers.