International child abduction in Japan refers to the illegal international abduction or removal of children from their country of habitual residence by an acquaintance or family member to Japan or their retention in Japan in contravention to the law of another country. Most cases involve a Japanese mother taking her children to Japan in defiance of visitation or joint custody orders issued by Western courts. The issue is a growing problem as the number of international marriages increases. Parental abduction often has a particularly devastating effect on parents who may never see their children again.