There's also North Korea's "Songbun" https://en.wikipedia.org/wiki/Songbun https://en.wikipedia.org/wiki/Songbun although it seems more coarse-grained than a nu

There's also North Korea's "Songbun" https://en.wikipedia.org/wiki/Songbun https://en.wikipedia.org/wiki/Songbun although it seems more coarse-grained than a numeric score.