Statement:
In United Kingdom scientists published more significant scientific articles than in South Africa

In the Citatable Scientific Publications rating United Kingdom holds position #4 ²⁰²¹ out of 206 and South Africa is #31 out of 206 ²⁰²¹.
Position of United Kingdom is better than position of South Africa.

Referencies:

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

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

   South Africa	'Citable documents' value is	30,360
   United Kingdom	'Citable documents' value is	213,389