Megachange

Building on the hugely successful annual Economist 'The World in ...' publications, this essential guide to the 21st century captures the sweeping, fundamental trends that are changing the world faster than at any time in human history. In 2050 there will be 9.3 billion people alive - compared with 7 billion today - and the number will still be rising. The population aged over 65 will have more than doubled, to more than 16 percent; China's GDP will be 80 percent more than America's; and the number of cars on India's roads will have increased by 3,880 percent. And, in 2050 it should be clear whether we are alone in the universe.What other megachanges can we expect - and what will their impact be? This comprehensive and compelling book will cover the most significant trends that are shaping the coming decades, with each of its 20 chapters elegantly and authoritatively outlined by Economist contributors, and rich in supporting facts and figures. It will chart the rise and fall of fertili