During the 17th and 18th centuries, crude death rates in much of colonial North America ranged from 15 to 25 deaths per 1000 residents per year (levels of up to 40 per 1000 being typical during stages one and two).
在17世纪和18世纪，北美殖民地大部分地区的粗死亡率为每年每千名居民15至25人死亡(第一和第二阶段的典型死亡率高达每千人40人死亡)。