"Population ageing is a long-term trend which began several decades ago in the EU. This ageing is visible in the development of the age structure of the population and is reflected in an increasing share of older persons and a declining share of young and working age persons in the total population. In the past two decades, the share of the population aged less than 15 years in the EU-27 population decreased by 3.7 percentage points, while the share of the older population (65 years and above) increased by 3.6 percentage points..." (Quoted from statistics)