Around a fifth of people over 65 live below the poverty line.
Elderly inmates are increasingly seeking refuge in prisons.
The trend highlights Japan's growing demographic crisis.
Strategic angle: Japan’s demographic crisis is playing out even behind bars as the number of elderly inmates quadruples over the past 20 years.
Around a fifth of people over 65 live below the poverty line.
Elderly inmates are increasingly seeking refuge in prisons.
The trend highlights Japan's growing demographic crisis.