Wealthy people in Japan failed to declare a total of ¥65.5 billion in taxable income in the year through June, down 33.2% from the year before, a National Tax Agency report showed Friday.
During the year, the agency conducted 2,407 investigations targeting the wealthy, including those with significant holdings in securities and real estate, down 18.2%. It collected back taxes totaling ¥17 billion, down 7.1%.
Undeclared income among all people subject to investigations, including the wealthy, rose 10.2% to a record ¥996.4 billion. Total back taxes grew 2.2% to ¥139.8 billion, also a record high.
The agency attributed the rise partly to the full-fledged use of artificial intelligence to make investigations more efficient.
Business management consultants concealed the largest amount of taxable income per case, at an average of ¥38.71 million. They topped the list last year as well.
Nightclub hosts and hostesses came second with ¥36.54 million, followed by so-called online content streamers with ¥23.81 million.
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