The concept of year-end tax adjustments is the same across the world; however, the processes may vary. As a foreigner working in Japan, it’s crucial to understand the Japanese tax rules, including the year-end tax adjustment (Nenmatsu Chosei). What is Nenmatsu Chosei? Nenmatsu Chosei (年末調整 or ねんまつちょうせい) is the annual tax adjustment process in Japan. This tax adjustment for the Is Japan a country I