the cpi also helps to define targets and goals that can support the formulation of evidencebased policies including the definition of city visions and longterm plans that are both ambitious and measurable this framework allows for periodic assessments of the various dimensions of urbanization and the overall conditions of cities still it is for governments to define the scope frequency and form of the monitoring and reporting enabling policymakers to measure progress and identify areas for improvement including capacitybuilding needs such monitoring will also enable public authorities to identify potential setbacks and constraints thus preempting unintended consequences in order to avoid overload and duplication in national and local monitoring and reporting including the potential for double counting it is recommended to adopt common metrics and methodologies with a unified global platform the cpi works as a support for multiscale decisionmaking connecting the city with the region and the overall country