European here, giving my two cents on how this looks from the other side of the Atlantic. Heh In my country there are laws stopping agencies doing a simple SQL join between two databases, even within the same government agency. There is a separate agency that handles the requests when agencies want to join information. I am not an expert in the matter. But my gut is telling me that our experiences with east Germany a…
Do you know why in Portugal they have 4 different ID numbers? It is like that to prevent the state from persecuting people on the base that it is hard for a branch of the government to figure out who is someone based on a number from a different branch. Do you know why they want to prevent the government from persecuting people? Because it has already happened, and the portuguese don't want it to happen again.
Ex-Yugoslavian countries have had a global ID forever - the JMBG or, in Croatia, OIB [1].
[1] https://en.wikipedia.org/wiki/Unique_Master_Citizen_Number