CHIERU CO LTD revenue for the last year amounted to 3.87 B JPY, the most of which — 1.67 B JPY — came from its highest performing source at the moment, Learning, the year earlier bringing 1.62 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought CHIERU CO LTD 3.87 B JPY, and the year before that — 4.10 B JPY.