JAPAN POST BK CO LTD revenue for the last year amounted to 17.51 B USD, the most of which — 17.52 B USD — came from its highest performing source at the moment, Banking and Related Activities, the year earlier bringing 15.54 B USD. The greatest contribution to the revenue figure was made by Overseas — last year it brought JAPAN POST BK CO LTD 7.43 B USD, and the year before that — 8.75 B USD.