该国的死亡率一直在下降。

The death rate in the country has been decreasing.

医疗进步有助于降低死亡率。

Advances in healthcare help reduce the death rate.

吸烟会增加心脏病的死亡率。

Smoking increases the death rate from heart disease.

政府正在努力降低婴儿死亡率。

The government is working to reduce the infant death rate.

交通事故的死亡率在假期期间上升。

The death rate from traffic accidents rises during holidays.

这个国家的死亡率近年来有所下降。

The death rate in this country has decreased in recent years.

他们的每年死亡率是全球平均水平的两倍。

Their annual death rate is about twice that of the global average.

其中许多人的道路死亡率有所下降。

Many of them have seen a decline in road-death rates.

这个县的婴儿死亡率很高.

This county has a very high infant death rate.

心脏病的死亡率低于5%

The death rate of heart disease is lower than 5%