In estimating for the future, home economics studies, in most cases, it has been to use "cohort" series for the life-cycle analysis, but the available data series are so short in length due to the original data situation of the family budget statistics, that any positive development along cohort series has not been attained so far. We intend to have an idea to fulfil the shortage through a review of the preliminary essays in cohort series and cohort vector analysis.
Supposing that Home Economics profess to contribute to the family and individual life, it must be reformed as the changing the society. This report is one of new direction of Home Economics. On the digital network society, the family and individual need the information for the information. So we need to learn the two types of media literacy. One is the ability to make better use of PC and another is the ability to criticize the media.
The purpose of this study is to examine and describe the trend of studies on Decreasing Births shown in Home Economics Journals, published after 1989. The result of the survey revealed there were various views on Decreasing Births between individual and family levels in Home Economics study. The author indicate follows, 1) The necessity of reexamine relation between Individual and Family. 2) The importance of positive proposal to society which is concerned with Decreasing Births include prevention secondary issue.