Sanjeeb Sapkota President, International Federation of Medical Students Associations. he population pyramid of developed countries like Japan has become a cylinder. In few decades, it will be an side-down pyramid with its base upwards. Contrary to the general belief, this scenario is not going to be confined to the developed world, but is a global phenomenon. Today more than two thirds of the world's 600 million people above 60 years of age live in developing countries.