I had (and still have, when I get back after Corona) fiber to the home in Japan. That fiber was installed some fifteen years ago, it was just a phone call away and then the fiber was hitched on the poles and into the house (everything goes on poles in Japan..). This is a nearly rural area by the way. Japan is not 'stuck' on 100Mbit - 1Gbit was only approximately 2-3 dollars more per month, compared to 100Mbit/s a few years ago.