Emily Cadman

Latest official statistics released on Respect the Aged Day in Japan mark a symbolic milestone for the country with just shy of 32 million people – a quarter of the overall population – now over 65-years-old. (Hat tip to my colleague Ben McLannahan for spotting the numbers.)

Japan’s statistics agency also estimates that by 2035 the proportion of elderly people will rise to over 33 per cent.

Last year the IMF estimated that Japan’s working age population in 2050 would have fallen to the same size as it was at the end of the Second World War. Read more

Kate Allen

Someone who was born on the last day of 1899 would now be 113 years old. There are just a handful of people of this age left on Earth. They are the last remaining survivors of the 19th century; what in Britain was the Victorian Age and internationally historian Eric Hobsbawm dubbed the “age of Empire”.

Only 16 of these links to history now remain alive*, according to the latest data by specialist research team the Gerontology Research Group.

The vast majority of these super-centenarians live in Japan and the US. Four of the world’s five oldest people live in Japan. Japan is also the stand-out leader in population density terms, with 12.8m citizens per 19th century survivor, compared to the US’s 28.4m. Read more