日本在二次大战后,经济衰蒌,民生凋敝,偏偏人口猛增,造成了食物短缺。失业严重和住房紧张等一系列问题。为了缓和人口激增形成的社会压力,日本一方面集中力量振兴、发展经济,另方面则采取措施控制人口增长。五十年代,人口增长率出现下降趋向。六十年代,日本实施“国民收入倍增计划”,对劳动力的需求剧增,日本不但不再感到人口压力,反而感到劳动力不足了。至此,日本的人口问题由战后的过剩转而变为人口出生率降低过快了。比如,1954年比1947年 After Japan’s Second World War, the economy was in decline and the people’s livelihood was sluggish. However, Japan’s population was soaring, causing food shortages. Serious unemployment and housing constraints and a series of issues. In order to ease the social pressure caused by the surge in population, Japan has concentrated on rejuvenating and developing its economy while on the other hand, Japan has taken measures to control population growth. In the 1950s, the population growth rate showed a downward trend. In the 1960s, when Japan implemented the “National Income Doubled Plan,” the demand for labor increased sharply. Japan not only felt no pressure of population, but felt a shortage of labor. At this point, Japan’s population problem turned from an over-post-war surplus to an over-reduction in the birth rate. For example, 1954 than 1947