Statement:
In Mauritania, 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 Sierra Leone

In the The most inclusive countries (Prosperity Index) rating Mauritania holds position #122 ²⁰⁰⁷ out of 166 and Sierra Leone is #119 out of 166 ²⁰⁰⁷.
Position of Mauritania is worse than position of Sierra Leone.

Referencies:

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

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

   Mauritania	'Prosperity Index' value is	40.9
   Sierra Leone	'Prosperity Index' value is	42.9

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

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

   Mauritania	'Prosperity Index' value is	41.0
   Sierra Leone	'Prosperity Index' value is	42.5

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

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

   Mauritania	'Prosperity Index' value is	39.5
   Sierra Leone	'Prosperity Index' value is	41.6

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

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

   Mauritania	'Prosperity Index' value is	39.1
   Sierra Leone	'Prosperity Index' value is	40.3