Statement:
In United Kingdom scientists published more significant scientific articles than in Puerto Rico

In the Citatable Scientific Publications rating United Kingdom holds position #4 ²⁰²¹ out of 206 and Puerto Rico is #107 out of 206 ²⁰²¹.
Position of United Kingdom is better than position of Puerto Rico.

Referencies:

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

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

   Puerto Rico	'Citable documents' value is	915
   United Kingdom	'Citable documents' value is	213,389