The gap of the population between night and daytime, the latter exceeds the former greatly, takes place in the inner area wards of Tokyo Metropolis.
In this paper, we verify that the phenomenon has an effect on balance between the benefit from the public services and the taxes. As a result of the verification, we prove that the gap of the population causes a bad effect, interval between the benefit and the burden. Therefore the policies for securing housing in the inner area wards which ease the gap of the population by means of drawing place of the residence near it of employment is desirable from a respect of finance.
