Russian Ruble (RUB) Dashboard

Complete and up-to-date 2026 list of countries that use the US dollar -officially and unofficially. Learn about dollarization and why nations adopt the USD.

Learn what a reserve currency is, its role, history, and why the U.S. dollar dominates global trade. Explore real-world examples and key insights.

Currency appreciation and depreciation explained. We define and compare these terms with examples + break down their causes, pros, cons, and impact.