While the average height of Japanese adults had grown some 15 cm (nearly 6 inches) over the past century with improved nutrition and public health conditions, it has started to decline for those born in 1980 or later, recent research has shown.
Prediction of childhood overweight and obesity at age 10–11: findings from the Studying Lifecourse Obesity PrEdictors and the Born in Bradford cohorts
Japanese and South Korean men are getting shorter every year
เรามีโอกาสได้คุยกับคนญี่ปุ่น เขาบอกว่าประเทศอื่น
เรามีโอกาสได้คุยกับคนญี่ปุ่น เขาบอกว่าประเทศอื่น
What height is considered tall in Japan? Are the Japanese people really as short as we've heard, or are they tall? - Quora
There is no article online that says the real truth on why average
Body height of Japanese man and women, born since 1870 [17]. The data
Population in Contemporary Eastern Asia
Japan's Population Projected to Fall to 87 Million in 2070