Key points from article :
According to the Office for National Statistics the UK's population is set to exceed 70 million in the middle of 2029.
This is two years later than the ONS's 2014 projection that the UK population would pass the 70m barrier in mid-2027.
The study also says that the numbers of people aged 85 and over with have doubled to from 1.6m in 2016 to 3.2m in 2041.
