Japan has been in the news this weekend due to the eruption of Mt. Ontake (of which more to come later), but this is a longer term problem for the country: the rapid ageing of its population.
Keir Clarke shared this map which shows the ageing population of Japan.
You'll need to opt for the translation if you want to understand it.
In the same week, we also had some new figures on the number of centenarians and those in their 90s in the UK, and they are fascinating figures. Over 15 000 people in the UK are apparently now over 100 years old!