Statement:
In Sri Lanka scientists published more significant scientific articles than in Tonga

In the Citatable Scientific Publications rating Sri Lanka holds position #75 ²⁰²¹ out of 206 and Tonga is #186 out of 206 ²⁰²¹.
Position of Sri Lanka is better than position of Tonga.

Referencies:

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

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

   Sri Lanka	'Citable documents' value is	3,704
   Tonga	'Citable documents' value is	24