In Brazil, population experts say at least one of every four pregnancies is aborted.

Next Monday, population experts predict that one of this year's 78 million new babies will be the planet's 7 billionth person.

They were not population experts, but they noted a simple oddity of mathematics.

This age group, which now totals 2.2 million, will double in the 1990's and reach 5.1 million by 2000, according to population experts.

But population experts say the stress on limiting couples to just one child has always been somewhat misleading, except for urban residents.

Still, population experts caution that valuing girls may take a cultural sea change.

We're a population expert in making do with the meanest possible natural resources.

For population experts, one of the most intriguing aspects of the Administration's broader approach is the effort to improve women's education.

But many population experts say they believe that Americans' life expectancy will increase rapidly in the 21st century, making the program's financial problems even worse.

And many population experts believe that life expectancy will increase rapidly in the 21st century, making the financial problems of Social Security even worse.