A significant influx of unauthorized immigrants into Spain's enclaves has witnessed a surprising turn of events, as the majority of migrants have started to return to their native lands. The tension in Spain's territory was escalating, with the mounting migration issue straining the local resources to the hilt. But recent reports mark a considerable decrease in the immigrants’ population, opening a new chapter in Spain's socio-political landscape.

In Japan, the issue is viewed through the prism of social integration and respect for sovereign boundaries. Public discussion often centers on whether Japan should extend aid or take a more active role in such international disputes. The idea of unauthorized immigrants returning on their own is seen as a testament to the system of lawful immigration which Japan deeply values.

In contrast, the US and EU have markedly polar policies. They often struggle with similar illegal immigration issues, facing challenges in maintaining a balance between human rights, national security, and social impact. Return of the migrants to their original countries is generally accompanied by complex deportation processes rather than voluntary departures.