Age distribution of population and population aging.
The demographic transition model explains the stages of population growth and decline, with some economies experiencing declining fertility rates and aging populations , while some others still experience high fertility and rapid population growth. In conclusion, these demographic changes herald significant shifts in population dynamics . Global population has grown substantially over the past decades, driven by relatively high birth rates and low death rates. Regional variations in fertility rates and age distribution underscore the diverse demographic situations faced by different economies. World Population Day is an opportunity to recognize the impact of these trends, and to create strategies address the challenges and opportunities they present, for a sustainable future. These population and demographic figures at global, regional and economy levels are produced and available on the World Population Prospects database by the United Nations Population Division, the Popu...