This is how things look, as far as shares of upper-income country GDP: https://i.imgur.com/CaUcjcH.png https://i.imgur.com/CaUcjcH.png This is a reasonable gr

This is how things look, as far as shares of upper-income country GDP: https://i.imgur.com/CaUcjcH.png https://i.imgur.com/CaUcjcH.png This is a reasonable graph to "eyeball" because it's not distorted significantly by starting point or overall underlying growth trend. Neither Germany nor Japan looks great, and Japan looks worse. Then you consider Japan has 1.5x the population and a lower per-capita GDP...