Although there is plenty of information available on maintaining a healthy diet, many people are tied up with work, school and leisure, forcing them to compromise on cooking at home.
Research by a private firm sheds light on what ordinary Japanese families are eating daily.
Nobuko Iwamura, 55, director of advertising agency Asatsu-DK Inc. in Tokyo, has more than 8,000 pictures of meals at her office. These pictures detail dishes on the dining tables of Japanese families.