SITUS

  The world population just hit a milestone - 8 billion, or 800 crores . Demography “affects almost everything,” said William H. Frey, an American demographer. More young people will require more schools; a growing elderly population will necessitate an expanded safety net, and a young workforce to care for them; aging countries may need to reassess their immigration policies. While on different timelines, each country is ultimately moving in the same direction — “toward longer lives and smaller families”.Collectively, the population is growing older, living longer, and having fewer children. The median age has moved from around 20 years old in 1970 to approximately 30 years old today. But the world is still pretty young: 53 percent of the world is younger than 33.The world’s population is expected to peak at 10.4 billion in 2086, according to projections Z from the U.N. Population Division.Even as growth slows, the increase in population well into this century raises important que...