I love the idea, but the underlying data for the Tokyo region is wrong. The author seems to have used the population number for Tokyo Metropolis specifically (1

I love the idea, but the underlying data for the Tokyo region is wrong. The author seems to have used the population number for Tokyo Metropolis specifically (13.1M) but the geography for a much larger regional area which is closer to 30M people. https://en.wikipedia.org/wiki/Greater_Tokyo_Area https://en.wikipedia.org/wiki/Greater_Tokyo_Area