LIFE EXPECTANCY Firtly I want to define what life exectancy is, it is the average period that a person may expect to live. It change depending in the ecomic, social and cultural factors of the country you live in (LEDCs, MEDCs or DCs). Longest life expectancy: In this geographic map that we can see below, are indicated the ten longest life expectancy countries: Japan, Switzerland, Singapore, Australia, Spain, Iceland, Italy, Israel, France and Sweden. As we can see the longest life expectancy countries are always from Developed Countries. Shortest life expectancy: In the opposite side ten shortest life expectancy countries are: Sierra Leone, Angola, Central African Republic, Chad, Ivory Coast, Lesotho, Nigeria, Somalia, Cameroon and Mozambique. Those countries with a short life expentancy belong to LEDCs. Some factors that contributed to the longer or shorter life expectancy are: GENDER: According to the Institute and Faculty of Actuaries, mortality rates...