This study comparatively analyzes the actual implementation of RIA in Germany and Korea. To reach the destination, the legislative process, the system of RIA, and the immigration law and policy in both countries are studied. The RIA statements on immigration law are empirically reviewed to check whether a piece of legislation properly went through RIA and documented in the required forms. In conclusion, the compliance levels and key features of both countries are compared, and the validity of current RIA is discussed.