Well, in the case of citizenship I might pick France (it is #1 on the nationality index, after all) due to the EU and freedom of movement in the largest number

Well, in the case of citizenship I might pick France (it is #1 on the nationality index, after all) due to the EU and freedom of movement in the largest number of desirable places. https://www.nationalityindex.com/ https://www.nationalityindex.com/ However, as a place to live it would probably be far less clear for most people.