Because of that, disputes have broken out over whether to revise the Imperial House Act and give a female in female line the right of succession to the Imperial Throne, or keep the male line of succession by returning the former Imperial Family as the Imperial Family again.
そのため、皇室典範を改正し、女子や女系の者にも皇位継承権を与えるか、旧皇族を皇籍に復帰させるなどして男系継承を維持するかの論争が起きている。