If current forecasts are confirmed, by 2050 the global demographic transition will have significantly altered the current appearance of the World. The Earth’s population will exceed 9 billion and aging, from Japan and Europe, will have extended to most emerging and developing countries. The United States will be an exception, but most of Asia, Latin America and North Africa/Middle East will see the proportion of people over sixty years of age increase by 10%, while that of the population under 25 years of age will decrease even by as much as 20%. The implications of this aging is not limited to putting welfare systems under pressure and the need to import young people from the few countries, mostly in Sub-Saharan Africa, which will still have them. Among the consequences of population growth, there is also one of a psychological nature, which would explain the emergence of an increasingly individualistic ideology, devoid of any social responsibility, and which is merely a defensive reaction in the face of increasing global complexity boosted by demographic growth and the inability to address the challenges related to it.
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