Beginning in the early 1950s, mortality steadily declined; it continued to decline through 1978 and remained relatively constant through 1987.

In addition, mortality from other diseases has declined, leaving an aging, cancer-prone population.

Over the decade, they said, mortality declined in all states, but those with greater income inequality showed smaller declines.

The mortality of slaves on British ships declined during the 1790s.

As blood sugars declined among the patients, overall mortality in the unit declined by 40 percent.

In Massachusetts, for example, cardiac surgical mortality declined by about 40 percent even without a statewide program for reporting outcomes.

"Under-5 mortality declined by only 10 percent from the early 1990s to 2000."

In part as a result of these efforts, mortality from heart disease has declined significantly.

In this fashion, mortality declined from 90% to around 25%.

While maternal mortality and fertility rates are declining, they are far above those of developed countries.