Statement:
In El Salvador scientists published more significant scientific articles than in South Sudan

In the Citatable Scientific Publications rating El Salvador holds position #148 2021 out of 206 and South Sudan is #169 out of 206 2021.
Position of El Salvador is better than position of South Sudan.

Referencies:

  1. Citatable Scientific Publications 2021 by Scimago Journal & Country Rank
    The countries in the rating sorted by 'Citable documents' in descending order.
    El Salvador 'Citable documents' value is 164
    South Sudan 'Citable documents' value is 70