Whither the Germans?

This brought immediately to mind Mark Steyn's comment that "Germany is a in demographic death spiral and will never be an economic powerhouse again."

...Dr. Klingholz drew attention here last spring when he calculated that without new immigrants, Germany's population would wither from 82 million to 24 million by 2100. If the country maintained its current rate of 230,000 immigrants a year, it would still shrink by 700,000 over the next 15 years.

The inexorable, transformative power of demography cannot be underestimated. It is, however, vastly underappreciated.