As the world keeps getting healthier, there are currently about a billion peopleworldwide who are over 60. As of 2020, for the first time in history, the number of persons aged 60 years or older outnumbered children younger than five years. Even the age of someone like Allan Karlsson is no longer a novelty. The United Nations estimates that about half a million people worldwide are centenarians, and their numbers are rising. This demographic shift is already palpable in many advanced economies like Germany and Japan. Read more here.