Earlier quoted context omitted.
They know that the current government planning regulations mean that getting anything built is extremely difficult. They know that due to supply and demand that this makes property a wise investment. Blame planning regulations. I read recently that Japan and new Zealand scrapped various regulations and this led to stabilization / lower of property prices. Near me, someone is sticking up protest letters at bus stops c…
It probably didn’t hurt that Japan has a declining population, so supply > demand
Nope.
Japan has a declining population, but the population keeps urbanising. So while there's hefty supply (literally millions of unoccupied housing inventory) in places nobody wants to live in, there is not in places where people are moving to (large cities).
There's very regularly news and posts about unoccupied houses ("akiya") being literally given away by government and local authorities because even at auction for pennies nobody wants to bid on rural properties. There was one going through here just last week.
Some prefectures are nearing 20% vacancy rates, but they're places like… well basically all of Shikoku which is largely mountainous and rural, and has been bleeding population at a rate of 5%/decade since 2000.