0 the number of deaths from a particular cause or during a particular period of time among a particular group of people:
1 → death rate
There is solid evidence that organ recipients have lower mortality rates than people who remain on dialysis.
Malaria's death toll far exceeds the mortality rate from AIDS.
Hospital officials cited several research studies with mortality rates ranging from 0.1% to 2% for the gastric bypass procedure.
In the United States there was a 16 per cent decline in mortality rates among males aged 85 + during the period 1965- 85.
