The share of America's work force covered by company pensions is shrinking, reversing a decades-old trend of steady growth.

In the Philippines, President Gloria Macapagal-Arroyo has put in place an economic program that is reversing this decades-old trend.

The acceleration of migration to the suburbs, a decades-old trend, is prompting a debate about public policy and the future of city housing.

The metropolitan region, including New Jersey and Connecticut, once again lagged behind the national growth rate, continuing a decades-old trend.

Robert M. Gates this week committed himself to refashion American espionage for a new era, including some changes, like a steep increase in human, as opposed to electronic, spying, that would reverse decades-old trends.

Reversing a decades-old trend, the state capital has seen its share of the state economic pie slip to less than one-half today, from two-thirds 25 years ago.

Municipal planners and policy makers here and elsewhere in the region are increasingly looking to residential development to reverse a decades-old trend of both business and the population to the suburbs.

While it is a decades-old trend, Mr. Kluetsch said he has seen more residents moving north to the Bridgeport area.

But farm economists predicted that if it is widely used by farmers, the drug will accelerate a decades-old trend of fewer cows - and dairy farms - producing ever more milk.

The express purpose of the undertaking is to force a sharp reversal of the decades-old trend of watering down textbooks to avoid controversy and appeal to the widest possible market.