Japan's Declining Population: More Which Way Is Up Problems at the Post

Yes, Japan looks like it is becoming less crowded and the folks at the Post are terrified. A Wonkblog piece warned readers that, "Japan's birth rate problem is way worse than anyone imagined."

The basic story is it seems that Japan has consistently over-projected its birthrate. As a result, its population is now declining and the rate of decline may be even faster than is now projected.

The question is why is this a problem? First, just to take an issue off the table, it is important that J...