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Countries with the Highest Cost of Living
Housing, groceries, and everyday expenses vary enormously by country. Here are the most expensive places to live in the world.
G7, G20, and BRICS Countries Explained
These three overlapping groups of countries shape much of the global economy. Here is who belongs to each, and why it matters.
Countries That Are Part of the Eurozone
Not every EU country uses the euro. Here is the full list of Eurozone member states, and who has stayed outside it.
Countries with No Income Tax
A number of countries, mostly oil-rich Gulf states and small island nations, charge residents no personal income tax at all.
August 14, 2026Countries with Their Own Unique Currency
The majority of the world's countries still issue and fully control their own national currency. Here's what that independence means in practice.
Countries That Use the US Dollar
Several countries outside the United States have made the US dollar their official currency. Here is the full list.
Fastest Growing Economies in the World
GDP growth rate tells a very different story than total GDP. Here are the fastest growing major economies in the world.
Poorest Countries in the World by GDP
GDP per capita in the world's poorest countries is often under $1,000 a year. Here is the full list and why it…
Richest Countries in the World by GDP Per Capita
Total GDP and wealth per person tell very different stories. Here are the richest countries in the world by GDP per capita.
Richest Countries in the World by GDP
Total GDP measures the size of a country's entire economy. Here are the richest countries in the world by that measure.