At 14 percent, his money will nearly double within five years, to $1.88 million.

There were 130 students in the school, and the student population doubled within the next two years.

Experts expect that number will double within a few years.

Some prices doubled within the six months before April 2008.

Given the interest charges, loans can double within six months.

Its effective strength was doubled within a couple of weeks.

The Polish population has doubled within the last several years.

"Give me what you have, I'll double it within six months."

Among them, about 50,000 need a kidney and that number is expected to double within the decade.

With increases of 5 percent a year, both can expect to double their populations within the next 14 years, the report said.