The biggest is the demographic shift in those who study it.

The extent of the demographic shift to the south can be shown by the following figures.

This is a major demographic shift from the 19th century, when few youth received any formal education.

But the demographic shift, he said, has been a good thing.

"There have been huge demographic shifts sweeping this city, and I'm not sure people are ready for it."

It will be one of the most dramatic demographic shifts in history.

Since the early 1970's there has been a rather dramatic demographic shift in the neighborhood.

But experts say the coming demographic shift is sure to have an impact.

The city has experienced significant demographic shifts in recent years.

A large demographic shift is leaving the country with an aging population and fewer children.