This article explores the average height of Japanese people and the factors that affect it. It is shown that Japanese people are among some of the shortest in the world, with only South Koreans and Filipinos having shorter averages than them. Factors such as genetics, nutrition, lifestyle choices and environmental conditions are discussed as well as how they have changed over time due to improved access to resources. It is also noted that while Japan lags behind most other countries when it comes to average heights, there will always be outliers depending on various factors.