Beyond the United States itself, a small but notable group of countries that use the US dollar as their official or primary currency — a practice known as “dollarization” — have given up issuing their own national currency entirely.
Countries That Have Officially Adopted the US Dollar
- Ecuador — adopted the US dollar in 2000 after a severe economic and currency crisis
- El Salvador — adopted the dollar in 2001, and more recently also made Bitcoin legal tender alongside it
- Panama — has used the US dollar (alongside its own balboa, which is pegged 1:1 and rarely used in cash) since its independence in 1904
- Zimbabwe — uses the US dollar widely alongside other currencies, following the collapse of its own currency due to hyperinflation
- Timor-Leste (East Timor) — uses the US dollar as official currency
- Several small Pacific and Caribbean territories, including the Marshall Islands, Palau, and the Federated States of Micronesia, also use the US dollar as official currency
See currency and economic data for these countries on our Rankings page.
Why Countries Dollarize Their Economy
Countries typically adopt the US dollar after a period of severe currency instability or hyperinflation makes their own national currency unreliable for everyday transactions and savings. Dollarization brings immediate price stability and lower inflation, but it also means giving up independent monetary policy entirely — a country can no longer devalue its currency or set its own interest rates to respond to local economic conditions.
Dollarization vs. a Currency Peg
Full dollarization, where a country uses US dollars directly as legal tender, is different from simply pegging a national currency’s exchange rate to the dollar, which many more countries do while still issuing their own physical currency — this distinguishes dollarized nations from countries that are simply part of the Eurozone or another currency union.
Frequently Asked Questions
What countries officially use the US dollar?
Ecuador, El Salvador, Panama, Zimbabwe, Timor-Leste, and several small Pacific and Caribbean nations officially use the US dollar.
Why did Ecuador adopt the US dollar?
Ecuador adopted the US dollar in 2000 after a severe banking and currency crisis caused its previous currency, the sucre, to collapse in value.
Does Panama have its own currency?
Panama technically has its own currency, the balboa, but it is pegged 1:1 to the US dollar and rarely circulates as physical cash — US dollar bills are used for almost all transactions.
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