Dollarization is the process by which a country adopts a foreign currency, most commonly the United States Dollar, as a substitute for or in addition to its own national currency. This can happen officially, where the government fully replaces its domestic currency, or unofficially, where people widely use the foreign currency for savings, pricing, and transactions.

Countries usually turn to dollarization during periods of economic instability, high inflation, or loss of confidence in their local currency. By adopting a stable, globally accepted currency, they aim to restore trust, reduce inflation, and stabilise prices. For example, nations like Ecuador and El Salvador have officially dollarized their economies to combat severe financial crises.

Dollarization offers several benefits, including lower transaction costs in international trade, reduced exchange rate risk, and improved investor confidence. However, it also comes with drawbacks. A country loses control over its monetary policy, meaning it cannot adjust interest rates or print money in response to economic changes. This limits the government’s ability to manage economic shocks or stimulate growth.

Overall, dollarization is a significant economic decision that can bring stability, but at the cost of reduced financial independence. It is typically seen as a last-resort strategy for countries facing persistent currency problems.