Nutritional energy sources breakdown of women in Japan 2017, by age group

This statistic depicts the results of a survey conducted in November 2017 in Japan about the distribution of nutritional energy sources of the female population, broken down by age group. During the surveyed period, carbohydrates were the largest source of energy for the female population in Japan. Women in the age group 80 years and over drew almost 60 percent of their energy from carbohydrates, while proteins made up 15.3 percent of their energy sources.

Distribution of nutritional energy sources of the female population in Japan as of 2017, by age group

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Release date

December 2018



Survey time period

November 2017

Number of respondents

3,080 respondents

Age group

20 years and older

Method of interview


Supplementary notes

According to the source, the distributions are averages calculated from the reported values of each respondent. The carbohydrate energy ratio is calculated with the formula:
100 - protein energy ratio - fat energy ratio.

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