After starting to compile one of the growing subject areas of “Energy” under Advanced Materials research in the last issue, we have extracted the data in accordance to cover “Nanomaterials” for the current issue. Herein, we collected the data for last ten years and separated into 1) beginning of five years and 2) latter five years. The comparative research progress of “Nanomaterials” has been achieved at two time intervals through last ten years. In this respect, we discuss the variations in the document types and subject area meanwhile we also present the variation in the ranking of top-ten countries working in the field .