Wanderlust World Wanderlust World In Mexico, "peso" refers to the Mexican Peso (MXN), the country's official currency since 1863 (replacing the real). The word itself carries deep historical significance.
Peso (Spanish) = "weight" or "pound". It originates from the Spanish silver dollar (8 reales) — the famous "piece of eight" — which weighed ~27 grams of 0.93 fine silver. These coins, minted in Mexico City, Potosí, and Lima, became the first global currency (16th–19th centuries), legal tender in the US until 1857 and model for the US dollar, Chinese yuan, Japanese yen, and others.
Symbol: $ (same as USD; distinguished as Mex$ or MXN in finance). ISO 4217: MXN. Subunit: 100 centavos (¢). Issuer: Banco de México (central bank, independent since 1994). Regime: Free-floating since 1994 crisis.
1863: Decimalization — 1 peso = 100 centavos. 1905: Gold standard. 1980s: Hyperinflation → 1993: Nuevo peso (MXN) = 1,000 old pesos (MXP). 1994: "Tequila Crisis" devaluation. Since 1990s: Relative stability; inflation targeting.
Mexico's currency is the 15th most traded globally. Banknotes: $20, $50, $100, $200, $500, $1,000 (polymer). Coins: 50¢, $1, $2, $5, $10, $20. The peso's value reflects oil exports, remittances ($60B+/yr from US), manufacturing integration (USMCA), and Banxico's credibility.