Among the Latin American and Caribbean countries shown in this graph, Argentina had the highest monetary policy rate as of 2018. The monetary policy rate, also known as base interest rate or base rate, is a percentage defined by central banks to determine the cost of credit in a given economy. This indicator serves as a guide for other financial institutions to set their own interest rates. In 2017, the latest year with available data according to the source, Argentina's Central Bank set the monetary policy rate at 26.42 percent. In 2018, the base interest rate in Mexico stood at 7.64 percent.
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Economic Commission for Latin America and the Caribbean. (December 24, 2018). Monetary policy rate in selected countries in Latin America and the Caribbean in 2018 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1060335/latin-america-country-monetary-policy-rate/
Economic Commission for Latin America and the Caribbean. "Monetary policy rate in selected countries in Latin America and the Caribbean in 2018." Chart. December 24, 2018. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1060335/latin-america-country-monetary-policy-rate/
Economic Commission for Latin America and the Caribbean. (2018). Monetary policy rate in selected countries in Latin America and the Caribbean in 2018. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1060335/latin-america-country-monetary-policy-rate/
Economic Commission for Latin America and the Caribbean. "Monetary Policy Rate in Selected Countries in Latin America and The Caribbean in 2018." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Dec 2018, /statistics/1060335/latin-america-country-monetary-policy-rate/
Economic Commission for Latin America and the Caribbean, Monetary policy rate in selected countries in Latin America and the Caribbean in 2018 ÌÇÐÄÆƽâ°æ, /statistics/1060335/latin-america-country-monetary-policy-rate/ (last visited July 29, 2026)
Monetary policy rate in selected countries in Latin America and the Caribbean in 2018 [Graph], Economic Commission for Latin America and the Caribbean, December 24, 2018. [Online]. Available: /statistics/1060335/latin-america-country-monetary-policy-rate/
