The World population is about 7.5 billion today and should reach 10 billion in 2050-2055.
Africa’s population is 1.25 billion today and will reach 2.5 billion by 2050. The number of people in the Americas will rise by only 223 million to 1.2 billion. Asia will gain about 900 million to 5.3 billion, while Europe registers a decline from 740 million to 728 million. Oceania (which includes Australia and New Zealand) would rise from 40 million to 66 million.
India should have the highest population by 2022.
The countries ranked by the highest total births and net annual population increase are.
Country Births Deaths Net increase India 25 million births 2016, 9.6 million deaths, 15.4 million net increase China 17.9 million births 2016, 9.8 million deaths, 8.1 million net increase Nigeria 6.8 million births, 2.3 million deaths, 4.5 million net increase Pakistan 5.8 million births, 1.5 million deaths, 4.3 million net increase Indonesia 5.0 million births, 1.7 million deaths, 3.3 million net increase Bangladesh 2.9 million births, 0.8 million deaths, 2.1 million net increase Egypt 2.7 million births, 0.6 million deaths, 2.1 million net increase Mexico 2.4 million births, 0.65 million deaths, 1.75 million net increase Brazil 2.9 million births, 1.2 million deaths, 1.7 million net increase USA 4.0 million births, 2.6 million deaths, 1.4 million net increase
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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