The Global Spatial Pattern Of Aging Populations Essay

The global spatial pattern of aging populations is a nucleated pattern; there is a cluster of countries with a median age of over 40 in Europe, and two outliers; in Japan and Canada. All of these countries are in the Northern Hemisphere. The countries in Europe with a median age of over 40 are Norway, Sweden, Finland, Estonia, Latvia, Lithuania, Bulgaria, Greece, Serbia, Hungary, Bosnia and Herzegovina, Croatia, Slovenia, Austria, Italy, Czech Republic, Germany, Belgium, Netherlands, Denmark, United Kingdom, Northern Ireland, Spain and Portugal. Every other country in Europe such as France has a median age of 35-40. There are also clusters of median ages 35-40 in the continents Oceania (e.g. Austrailia), Asia (e.g. China) and North America (e.g. United States of America). The places with median ages 35-40 are still aging populations however with a lower dependency ratio (more workers to pensioners). All these places are all more economically developed countries. Map of economic development More economically developed countries such as places in Europe have aging populations due to a very low rate of natural increase. The average life expectancy in more economically developed countries such as Japan, Germany and Canada is increasing. In Japan the average life expectancy is 82, which is 11 years older than the global population’s as of 2013. This is due to improvements in health care and new medical discoveries that increase the age to which elderly live, whichShow MoreRelatedAging Is Associated With Diminished Immunity1954 Words   |  8 Pages5. Hypothesis Aging is associated with diminished immunity. Macrophages, which play a pivotal role in the first line defense of pathogen invasion, have their endocytosis and lysosomal action delayed as people age. The capacity therefore of alveolar macrophages to kill mycobacterium tuberculosis is significantly compromised in aging populations. 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