An "A" passport is an excellent travel document that provides access to the world's most attractive countries.
To receive an "A" grade, a passport must have a Travel Freedom score (Passport Score) of over 170 and provide mandatory access to the Schengen Area and the US.
Additional Analysis:
The Travel Freedom score of this passport is at least 20% higher than its simple count of visa-free countries. It means that this passport may not provide access to a large number of countries, but it provides access to very attractive countries.