collects not only current and past nationality laws, but also decrees, constitutional provisions and other relevant legal texts

you may search either for specific international legal documents to see which countries have signed or ratified these, or you can find out which international norms a particular country has subscribed to

provides English summaries and full texts in original language of important national, European or international court decisions concerning matters of citizenship and can be searched by country, year, institution or keyword

typology of 27 modes of acquisition that captures most of the broad variety of legal regulations that we find in different countries. This feature of EUDO CITIZENSHIP allows you to create your own comparative overviews for specific ways of acquiring citizenship status

typology of 15 modes of loss that captures most of the broad variety of legal regulations that we find in different countries. This feature allows you to create your own comparative overviews for specific ways of losing citizenship status

provides information on the quality of national statistical data and allows you to create your own statistical tables by choosing countries, years, or specific modes of acquisition

access to the websites of national, European and international organisations (both governmental and non-governmental), leading academic research centres, networks, projects and journals dealing with citizenship

academic publications on citizenship, with a focus on the nationality laws of the states covered in our observatory. It includes hyperlinks to full texts available online. You can do a bibliographic search according to various criteria and also import specific items or the whole bibliography to your computer

apart from offering our own definitions we also provide on this page translations of the words “citizenship” and “nationality” into the official languages of the countries we observe and brief explanations by our network experts how these concepts are used in national laws and political debates

provides information about the extent to which national citizenship laws provide sufficient protection against statelessness, based on the relevant international legal standards, such as those of the 1954 Convention Relating to the Status of Stateless Persons and the 1961 Convention on the Reduction of Statelessness