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

"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

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

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

In the United States, smoking rates are down from the past, but cigarettes still cause about one-fifth of all deaths.

VOA: special.2009.05.27

These people are current in their payments but unable to get lower interest rates because their home value has fallen.

VOA: special.2009.02.20

One of the United Nations Millennium Development Goals for two thousand fifteen is to reduce death rates in young children by two-thirds.

VOA: special.2009.10.19

Still,murder rates in the United States have generally been among the highest among Western democracies since the middle of the nineteenth century.

VOA: special.2009.12.19

In some areas of Uganda, rates of brown streak reached more than eighty-five percent in two thousand five and two thousand eight.

VOA: special.2010.06.08

In all three of America's biggest cities, murder rates have fallen to their lowest levels since the 1960s.

VOA: special.2009.01.12