But in the last twenty years, H.I.V.and the collapse of the Soviet Union helped raise death rates in thirty-seven countries worldwide.

VOA: special.2010.05.05

Credit card companies will have to inform cardholders forty-five days before they raise interest rates or change other important terms.

VOA: special.2009.05.22

Life expectancy rates climbed, because doctors and scientists developed effective ways to prevent or treat diseases such as tuberculosis, typhoid,diphtheria,and influenza.

VOA: special.2010.12.02

"In a single generation, we've fallen from first place to twelfth place in college graduation rates for young adults.

VOA: special.2010.08.12

The Justice Department says rates in recent years fell to levels last seen in the middle of the nineteen sixties.

VOA: special.2009.12.19

Rates of breast cancer in Japan, Singapore and South Korea are now three times what they were forty years ago.

VOA: special.2009.03.02

"In high income countries such as the United States, the U.K.and Australia,death rates are around forty-five per hundred thousand per year.

VOA: special.2009.09.28

The study found that children who played video games "obsessively" had higher rates of depression, social fears and stress.

VOA: special.2011.02.23

And,the World Health Organization says asthma rates are increasing worldwide by an average of fifty percent every ten years.

VOA: special.2009.07.28

Randolph Roth studied homicide rates over the past four hundred years in parts of the United States and western Europe.

VOA: special.2009.12.19

The president wants the United States to regain the world's highest college graduation rates, especially in math and science.

VOA: special.2009.07.30

The new act will also bar companies from raising rates on existing debts unless payment is at least sixty days late.

VOA: special.2009.05.22

But it also represents the result of higher birth rates among Hispanics in the United States compared to the general population.

VOA: special.2011.03.14

As a result, the agency says HIV rates are falling in sixteen of the twenty-five hardest-hit countries in Africa.

VOA: special.2010.07.14