The mortality rate is defined as the ratio of the number of deaths to population expressed as 1,000 per year. In order to compare mortality rates across different population groups or time periods, the same age structure has to be considered. The mortality rate is considered one of the tenets on which holistic development of a country is measured. When there are high fertility and mortality rates, there is low or even negative growth in population. Globally, the average annual number of deaths from 2010 through 2015 is expected to be 58.1 million. There is great disparity among the mortality rates of the developed and developing countries. It is predicted that 12.7 million deaths will occur in more developed regions, while 45.4 million deaths will ...