The Citizenship Laws Dataset

The Citizenship Laws dataset contains information on citizenship laws in 162 countries of the world with reference to the years 1948, 1975, and 2001. The available information concerns the way in which countries regulate citizenship acquisition at birth, with a distinction among jus soli (i.e., by birthplace), jus sanguinis (i.e., by descent), and mixed regimes. We also collect information about naturalization requirements. Details are provided below in sub-sections 1.1 and 1.2. The dataset also contains information for the main border changes which have affected the countries in our sample. The dataset further includes the following geo-political dummies: civil law, Lati