[YouMeWeThem]

FYI, The length-of-stay requirements for permanent residence are actually longer than for citizenship.

Guidelines for Permission for Permanent Residence [1]

> In principle, the person has stayed in Japan for more than 10 years consecutively.

What are the conditions for naturalization? [2]

> The person must have been domiciled in Japan for five years or more consecutively

[1] https://www.moj.go.jp/isa/content/930003492.pdf

[2] https://www.moj.go.jp/EN/MINJI/minji78.html#a09

[midoridensha]

If you score enough points on the HSP visa (you don't even have to get that visa, just look at the point scoring), you can apply for PR in 3 years (70 points) or 1 year (80 points). Anyone on this forum probably can easily score at least 70 points just be getting a decent tech job in Japan.