Suddenly, it seems, there is a woman's voice for every demographic group.

"30 Rock" also had its best result for that demographic group.

This seems to have become a pretty common practice, at least in some demographic groups.

But frustration with the economy has cut across almost every demographic group.

"But as a demographic group, I don't think it's different from any other market out there."

The show reached most young children in almost all demographic groups.

Within many demographic groups, though, women are no longer gaining ground.

Almost every major demographic group had an easier time finding work.

He also said the performance had continued to be strong in key demographic groups.

That is particularly true for a special demographic group, 20- and 30-somethings.