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

其中许多人的道路死亡率有所下降。

The elderly had the highest death rates.

老年人死亡率最高。

High birth rates were often balanced out by high death rates.

高生育率常被高死亡率抵消.

Camp death rates ranged from 4 to 30 percent a year.

营内死亡率一年间由4%升到30%。

By 2015: reduce TB prevalence and death rates by 50% relative to 1990;

到2015年：使结核患病率和死亡率比1990年减少50%；

In Mexico, the study compared death rates from diarrhoea and vomiting before the vaccine was introduced with the death rates in the year after the programme began.

在墨西哥，研究对接种疫苗前腹泻和呕吐的死亡率与接种程序开始之后一年内死亡率做了比较。

Death rates for heart disease and stroke have declined by about 25%.

而美国人的心脏病和中风死亡率在此期间下降了25%左右。

Power-line workers, roofers and professional drivers also had high death rates.

电力线路工人，屋顶工人和职业司机都有很高的死亡率。

Experts noted that the research only looked at death rates, not overall health.

专家们指出，这项研究只是涉及死亡率，没有涉及总体健康状况。

But the findings show there is a lot individuals could do to reduce death rates.

但是研究也显示个人可以做很多事情去降低死亡率。