Statement:
In South Korea, the tax system is more complicated than in Luxembourg

In the Tax Competitiveness Index rating South Korea holds position #26 ²⁰²¹ out of 37 and Luxembourg is #6 out of 37 ²⁰²¹.
Position of South Korea is worse than position of Luxembourg.

Referencies:

1. Tax Competitiveness Index ²⁰²¹ by Tax Foundation

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

   Luxembourg	'Overall Score' value is	76.5
   South Korea	'Overall Score' value is	60.6