Ageing populations is one of the most pressing demographic challenges for many MEDCs today, because of the socio-economic pressures the unbalanced population structure puts on the country, which I feel like I have spent half my life writing about.
In the UK, whilst we do have an ageing population, which we most certainly need to address, a recent article in the telegraph points out that we are actually ageing slower than most of the rest of Europe. For example, it states that countries like Germany and Italy have around 20% of the population being over 65 and of retirement age, compared to just 16% in the UK. Japan however, has 22% of its population over 65 years of age, which is starting to cause the country real issues, hence why they have introduced pro-natal policies to try and increase the fertility rate and balance the population and dependency ratio, which the following video i made explores: