From Japan to South Korea, from China to Taiwan, family structures are becoming less traditional. More premarital cohabitation, single parenthood and two-income households are influencing demographics—with worrying consequences. And we pay tribute to 50 years of hip-hop. The New York-born genre is taking the world by storm, and picking up new influences along the way (9:22). For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.