Additionally, "the mortality in cities with high levels of pollution exceeds that observed in relatively cleaner cities by 15-20%."

However, the whitebark pine has been in decline due to White Pine Blister Rust: whitebark pine mortality in some areas exceeds 90%.

By 15 to 20 years after therapy, the cumulative mortality from a second malignancy will exceed the cumulative mortality from HL.

Usually, the deleterious mutations would simply be selected away, but during mutational meltdown, the number of individuals thus suffering an early death is too large relative to overall population size so that mortality exceeds the birth rate.

A consistent demographic fact is that in all recorded famines, male mortality exceeds female, even in those populations (such as northern India and Pakistan) where there is a male longevity advantage during normal times.

In severe epidemics, the mortality may exceed 50%.

In the run-up to the Iraq War, some disputed the idea that excess mortality exceeded 500,000, because the Iraqi government had interfered with objective collection of statistics (independent experts were barred).

In patients with brain infection, mortality exceeds 80%; in other forms, mortality is 50%, even with appropriate therapy.

Throughout the century, rather more males than females were born, the ratio remaining relatively constant despite beliefs that the proportion of male births increases after wars in which the mortality of young adult men greatly exceeds that of young adult women.

It was found that the incidental mortality exceeds critical values and therefore by-catch is a significant threat to the harbour porpoise.