An excerpt from an OUPblog article published on 24th February 2017, written by Nancy A. Pachana, author of Ageing: A Very Short Introduction.
"The accelerated ageing of the populations of developed countries is being matched in the developing world. In fact, in 2017, for the first time in history, the number of persons aged 65 and over will outstrip those aged 5 and under. This population trend is not just a temporary blip, not just due to a short-term outcome of the baby boomer generation. What we are seeing is the increasing lifespan of older persons and the decreasing number of births (but also better survival rates of infants and young children) worldwide, leading to greater equality in the numbers of these two groups over time. The World Bank estimates that in 2015, approximately 8.3% of persons globally were over 65, and this will only increase in the coming decades..."
Discover more: Read the rest of the article on the OUPblog.