This article explores the types of junk food popular in Japan, the health concerns associated with eating too much junk food, how much junk food do the Japanese actually eat and what steps are being taken to reduce consumption of junk food in Japan. The average adult consumes around 10% of their daily calories from snacks such as candy bars or chips which is slightly higher than the global average. Additionally, it was found that 1 in 5 adults consumed more than 20% of their daily calories from snacks which is considered an unhealthy level according to World Health Organisation standards. In recent years there has been an increased awareness about the potential health risks associated with eating too much processed foods, leading to healthier versions of products and initiatives aimed at educating people about healthy eating habits.