Statement:
In Japan, the tax system is more complicated than in Australia

In the Tax Competitiveness Index rating Japan holds position #24 ²⁰²¹ out of 37 and Australia is #9 out of 37 ²⁰²¹.
Position of Japan is worse than position of Australia.

Referencies:

1. Tax Competitiveness Index ²⁰²¹ by Tax Foundation

   The countries in the rating sorted by 'Overall Score' in descending order.

   Australia	'Overall Score' value is	71.3
   Japan	'Overall Score' value is	61.5