(f) Establish and strengthen regional centres for research and training on migration or migration observatories, such as the African Observatory for Migration and Development, to collect and analyse data in line with United Nations standards, including on best practices, the contributions of migrants, the overall economic, social and political benefits and challenges of migration in countries of origin, transit and destination, as well as drivers of migration, with a view to establishing shared strategies and maximizing the value of disaggregated migration data, in coordination with existing regional and subregional mechanisms;