How this count works
Records physical days in Japan over the last ten years. The 1,826-day reminder is an approximation of five years; it does not measure legal periods of domicile or residence.
Non-Japanese residents whose domicile or residence in Japan totals five years or less in the past ten years are non-permanent residents. The official test counts periods of domicile or residence, which can include time abroad; recorded days are an approximation.