The Japan Restoration Party (Ishin) has proposed a 4-district design for their Osaka Metropolis Plan. The plan, which aims to consolidate regional power to elevate Osaka's status to a metropolitan city, just like Tokyo, has been a contentious matter of debate. Although timelines and specific details are yet to be clarified, the proposal sparked further discussions, drawing both enthusiasm and skepticism from local politicians, businesses, and citizens.

In Japan, the transformation of Osaka from a prefecture to a metropolis is a high-profile political issue laden with ideological differences on regional governance and centralization. Many Japanese citizens see the Osaka Metropolis plan as a pivotal move towards decentralization, potentially encouraging other prefectures to follow suit. It also impacts the financial and administrative sectors, concerning the re-distribution of resources to the proposed districts.

Regional government reorganization is not unique to Japan. In the US, metropolises such as New York have their boroughs and specific managing administrations. In the EU, London's Greater London Authority governs over its 32 boroughs. That said, the emphasis of politics in the regional re-structuring in Japan seems to be more intense, correlating with ongoing political ideologies for decentralizing power.