Lifted from comments -
Following up on my post casting doubt on some of the assertions made in Jesper Koll's "I'm The Last Japan Optimist" TED presentation, commenter Troy has produced a graph of the the population data and populations projections for persons in their earnings upswing years in both Japan and the United States. (Link)
Pretty sobering is it not?
Japan, on the way down (gently) since 1974.
Sure, you can put in a lot of robots to make up for the decline in available workers -- but those robots are really lousy consumers.