Just as a clarification, it does not mean anything to have citizenship of a country that is in the Schengen agreement, which simply covers border enforcement wh

Just as a clarification, it does not mean anything to have citizenship of a country that is in the Schengen agreement, which simply covers border enforcement when traveling between signatory countries, not immigration status. These rules in theory apply equally to all citizens, with some special provisions for EU (+ CH, etc.) citizens covering things such as required ID.