Sentence examples for decrease of the birth rate from inspiring English sources

However, given the continued decrease of the birth rate, the acceleration of aging in the population and the intensified population flow, the number of elderly-only families is rapidly increasing, and they are finding it more challenging to defend themselves against structural pressure during China's reforms.

Assuming a linear trend after 1997, we observe a yearly decrease of 2.3% of the birth rate.

However, they argue that this finding should not be interpreted as a return to tradition but is in fact a lag effect of the decrease in the birth rate since the 1970s.

In some cases, poor natural environment leads to a decrease in the birth rate of the prey population.

Parallel to this rapid urbanization was a sharp decrease in the birth rate.

The utilization of medical abortion services by women who would otherwise have carried to term decreases the birth rate; therefore the impact of lives saved on the MMRatio is reduced.

Population size (diversity of species in a clade) can decrease for two reasons: the birth rate (speciation rate) can decline or the death rate (extinction rate) can increase.

(1) Decrease (A_{1}) by reducing the birth rate of newborn puppies.

But people don't realize that by increasing lifespans a decade or more around the world, we're decreasing the death rate as the birth rate keeps rising.

While the mortality rate in Spain started decreasing by the end of the 19th century, the birth rate did not start declining until 1930.

Thereafter the rate of natural increase slowed, however, because of a sharp drop in the birth rate accompanied by a slight decrease in the death rate.