For example,for men in Swaziland, the difference between the best rate and the worst rate is nine times higher.

VOA: special.2010.05.05

During this period, hair grows at a rate of about three tenths millimeters a day, or one centimeter a month.

VOA: special.2011.04.05

One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.

VOA: special.2009.09.28

The completion rate is lower than for almost any other wealthy country, and worst for poor and minority students.

VOA: special.2009.09.10

They found that people who spend months in space lose bone strength at a faster rate than experts had thought.

VOA: special.2009.03.10

The government says the United States economy shrank at an annual rate of one percent in April,May and June.

VOA: special.2009.08.28

The researchers say the maternal death rate has been falling almost one and a half percent a year since nineteen ninety.

VOA: special.2010.04.14

Experts say job losses might slow later this year, but the unemployment rate could rise until the middle of next year.

VOA: special.2009.05.29

Still, he points to some hopeful signs -- including a large reduction in the child death rate in Malawi.

VOA: special.2010.04.26

"At the rate we're going,we are expected to spend one-fifth of our economy on health care within a decade.

VOA: special.2009.05.15

UNICEF says the death rate for children under the age of five has fallen twenty-eight percent since nineteen ninety.

VOA: special.2009.09.28

New York had the lowest rate, at seventy-nine percent of the adults observed at Grand Central Station and Penn Station.

VOA: special.2010.09.29

The report said the rate of pneumonia in adults after surgery decreased more than eleven and a half percent.

VOA: special.2010.04.21

As a result,the report says, the rate of plant and animal species disappearing is continuing faster than ever before.

VOA: special.2010.05.25