The project concerns the elaboration of a study on the specification of statistical indicators for monitoring the national implementation of the United Nations Convention on the Rights of Persons with Disabilities and aims to feed the research activity of the Observatory towards the development of the Integrated System of Indicators on the rights of persons with disabilities, as enshrined in the Convention. In particular, the scope of the study is to refine the set of general monitoring indicators and to formulate specific quantitative measures (statistical indicators) that will make the indicators operational.