At the time, domestic violence rates were declining among the overall population.

The survey also found that such abusive drinking had declined among 19- to 22-year-olds who were not in college.

Contraceptive use had been increasing for years, but stopped in the 1990s, and began to decline among lower class women.

Although lung cancer during the past 20 years has been declining slightly among men under the age of 65, it is still rising in women.

Cavities have declined significantly among Americans for 50 years, but they cost $4.5 billion a year to treat, the study said.

Only one, Navajo, has more than 100,000 speakers, and it, too, is declining among the young.

Its use declined by more than half among high school kids and you can't help but think they have learned something from watching their older siblings.

Use of both Muskogean languages has declined among younger people.

But marriage is also declining among white men and men with jobs who lack college degrees.

Meanwhile, morale, and with it commitment to the job, have been declining among civil servants.