 Demobilization of soldiers, wartime destruction of industry and repatriation of Japanese from Manchuria had swelled the rural population, but the later flight from the countryside to cities due to industrialization meant that the votes of urban constituency declined comparatively in value without electoral redistribution.The weight of the rural vote was exaggerated due to the drawing of electoral districts.The electoral districts up to 1993 were drawn in the immediate postwar period and had not redrawn since.