Statement:
In Japan, the prosperity Index is lower, which means people have less opportunities to thrive by fulfilling their unique potential and playing their part in strengthening their communities and nations than in Iceland

In the The most inclusive countries (Prosperity Index) rating Japan holds position #17 ²⁰⁰⁷ out of 166 and Iceland is #7 out of 166 ²⁰⁰⁷.
Position of Japan is worse than position of Iceland.

Referencies:

1. The most inclusive countries (Prosperity Index) ²⁰²¹ by Legatum Institute

   The countries in the rating sorted by 'Prosperity Index' in descending order.

   Iceland	'Prosperity Index' value is	80.1
   Japan	'Prosperity Index' value is	77.7

2. The most inclusive countries (Prosperity Index) ²⁰²⁰ by Legatum Institute

   The countries in the rating sorted by 'Prosperity Index' in descending order.

   Iceland	'Prosperity Index' value is	80.7
   Japan	'Prosperity Index' value is	77.6

3. The most inclusive countries (Prosperity Index) ²⁰¹² by Legatum Institute

   The countries in the rating sorted by 'Prosperity Index' in descending order.

   Iceland	'Prosperity Index' value is	78.5
   Japan	'Prosperity Index' value is	75.7

4. The most inclusive countries (Prosperity Index) ²⁰⁰⁷ by Legatum Institute

   The countries in the rating sorted by 'Prosperity Index' in descending order.

   Iceland	'Prosperity Index' value is	80.4
   Japan	'Prosperity Index' value is	76.2