Key points from article :
Centenarians are the fastest growing age group in the UK, with the number of 100-year-olds almost doubling over a 14-year period.
Although they make up a very small proportion of the total UK population (0.02% in 2016), their numbers have grown rapidly from 7,750 in 2002 to 14,910 last year.
There were 571,245 people aged 90 and over living in the UK last year – the highest number ever.