hukou has changed a lot, particularly since 2014 and you'll find that it exist in its strictest form only for cities > 5 million inhabitants. https://en.m.wikip

hukou has changed a lot, particularly since 2014 and you'll find that it exist in its strictest form only for cities > 5 million inhabitants. https://en.m.wikipedia.org/wiki/Hukou https://en.m.wikipedia.org/wiki/Hukou