Statement:
In Yemen scientists published more significant scientific articles than in Sierra Leone

In the Citatable Scientific Publications rating Yemen holds position #93 ²⁰²¹ out of 206 and Sierra Leone is #140 out of 206 ²⁰²¹.
Position of Yemen is better than position of Sierra Leone.

Referencies:

1. Citatable Scientific Publications ²⁰²¹ by Scimago Journal & Country Rank

   The countries in the rating sorted by 'Citable documents' in descending order.

   Sierra Leone	'Citable documents' value is	269
   Yemen	'Citable documents' value is	1,599