Country reference guides
Explanations and curated lists that add context to the raw country directory.
Countries by Continent — Complete Reference List
A continent-by-continent list of countries in our 195-country editorial scope.
Country Codes Explained — ISO Alpha-2 & Alpha-3
Learn what two-letter and three-letter country codes are and browse a complete country-code table
Capitals of the World — 195 Country Reference
Browse countries and their capital cities in a single reference table.
How Many Countries Are There in the World? Why 195 Is Common
Why many references say there are 195 countries, and why other totals also appear.
What Is a Country? A Practical Geography Explanation
A plain-English explanation of countries, states, sovereignty, recognition and territories.
How International Country Calling Codes Work
Understand international dialing prefixes and why a calling code is not the same as an ISO country code.