THE FORMATION FACTORS OF THREE-GENERATION HOUSEHOLDS FROM THE VIEWPOINT OF AGRICULTURE AND TREND TOWARD FARM HOUSEHOLDS EARNING INCOME FROM OTHER JOBS

This paper aims to clarify the following from the viewpoint of agriculture and trend toward farm households earning income from other jobs. 1) The formation factors of three-generation households. 2) Difference of changes in households composition for the elderly by difference of the factors. The conclusions are as follows. 1. The formation factors of three-generation households are farm households earning income from other jobs, urbanization, degree of secondary/tertiary industry, rice crop. 2.Trend to changes in households composition for the elderly are not different. However, changes in number of aged-couple households and aged-single-persons are different by difference of the factors.