Pop quiz: Who live in palatial homes in fashionable Tokyo neighborhoods but are subject to various forms of discrimination, have no family registry, can't vote and have limited constitutional rights?

Answer: the Imperial Family. For those of you who responded "expat bankers," I will grudgingly give you a pass. Both answers are correct, and for essentially the same reason at that.

Nov. 3 will be the 65th anniversary of the promulgation of Japan's Constitution. With the country increasingly looking to foreigners to fill demographic gaps left by its declining population, let us consider what non-Japanese can expect from the country's most important law.