作者：Alfio Lescano 5 年以前
235
Population Trends
Several factors have contributed to the rapid growth of the global population. Advances in modern medicine have significantly reduced infant, child, and maternal mortality, while increasing life expectancy and improving living standards.
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Why is Population Growing so Quickly? Population Momentum Improved survival rates Past high fertility levels More women of reproductive age Improvements in Living Standards Advances in modern medicines Reduction of infant, child and maternal mortality Increase in life expectancy World Population Trends RESOURCES https://drive.google.com/file/d/1Kq-1gAQ3lqarrj-A9Umkk8pFdIJ_kHxv/view?usp=sharing Population Projections by the UN Low Variant If fertility falls by more than assumed, the world population could slightly fall over current levels to about 7.3 billion. Medium Variant The world population will grow to nearly 10 billion by the middle of this century, and will level off at around 11.2 billion by the end of it. High Variant If fertility declines by less than assumed, the world population could grow to about 16.5 billion by the end of the century. WORLD BANK GLOSSARY (EN-ES-FR) POPULATION TERMINOLOGY http://documents.worldbank.org/curated/en/961101468763752879/pdf/34896.pdf VIDEO: OVERPOPULATION-THE HUMAN EXPLOSION EXPLAINED DEMOGRAPHIC TRANSITION Stability Slowdown Explosive stage Slow growth Summary of the main points of the topic https://docs.google.com/document/d/1JviojjlNskYL9ORdX-WBSg2JC7TVThPthWBY8SecaDg/edit?usp=sharing General Population Trends High-Income and Raising-Income Countries Their population is slowly growing
or not growing at all. Growing populations of older persons. Least Developed Countries Their population is projected to double by 2053 and in some countries it will even triple. Large and growing populations of young people.
