This document provides an overview and instructions for using the SCImago Journal & Country Rank portal, which includes scientific indicators and rankings of journals and countries derived from the Scopus database. It describes how to search and filter journal and country rankings according to subject area, country, year, and other criteria. It also explains the various bibliometric indicators included in the journal and country profiles and comparison tools, such as the SJR indicator, H-index, citations per document, and more. Bubble charts can also be used to analyze and compare national scientific output based on various performance metrics.