Research on housing planning related to aging and decreasing of child number society

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The research result is as follows ;CHARACTERISTIC OF HOUSING RELOCATION MARKET IN TOKYO METROPOLITAN AREAThe main factors of change in housing relocation market in Tokyo metropolitan area are 1) aging of primary baby boom generation and appearance of the second baby boom generation to housing market. 2) decline of housing removal ratio. 3) decline of relative importance of Tokyo 23 wards in housing market. 4) decline of selection ratio to ownership housing. 5) increase of selection ratio to suburban areas. Except for the generation factor, housing the removal market in Tokyo the metropolitan area is going to reduction in quantity.STATISTICAL ANALYSIS OF RELATION BETWEEN BIRTH RATIO AND HOUSING CONDITION1) The main factors to have influence on birth ratio are elapse time after marriage and family income form (one-income or two-income). But as age of the household head becomes older, the influence of housing factor increases. 2) In housing factor, housing tenure, house size and rent have comparatively strong influence on birth ratio. 3)Compared with in case of the first child, influence of housing factor on the second child birth ratio is rather weak.CHARACTERISTIC OF HOUSING AND LOCATION SELECTION ACTIVITYIn the case of "family type household", there is a tendency that households prefer continuing to live the current district when household face to housing market condition change such as land price increase. But in the case of "young single type", this tendency is rather weak.SIMULATION OF EXISTING HOUSING STOCK REDISTRIBUTIONAs a result of simulation, there is a possibility of improving the housing condition only by existing housing stock redistribution very efficiently.