Statement:
In Ireland, the tax system is simpler than in Japan

In the Tax Competitiveness Index rating Ireland holds position #19 ²⁰²¹ out of 37 and Japan is #24 out of 37 ²⁰²¹.
Position of Ireland is better than position of Japan.

Referencies:

1. Tax Competitiveness Index ²⁰²¹ by Tax Foundation

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

   Ireland	'Overall Score' value is	64.7
   Japan	'Overall Score' value is	61.5