1973年,日本人的日均鹽(不是鈉)攝入量是14.5克,2017年降為9.5克
According to the National Nutrition Survey (NNS), which was renamed to the National Health and Nutrition Survey (NHNS) in 2013, the daily salt intake has steadily decreased from 14.5 g in 1973 to 9.5 g in 2017