$1 USD = 4,615.00 Guarani

Paraguay is the second poorest country in South America, with an unemployment rate pushing 16 percent and more than 35 percent of its population living in poverty. The Paraguay guarani runs about 4,615 to $1.

Paraguay's capital city, Asuncion, was ranked the cheapest city in the world out of 143 locales this year, its sixth time getting that honor according to Mercer, a human resources consulting company that does an annual cost of living survey.

The currency's symbol — Pyg — is sometimes confused with a Japanese 1970s rock band of the same name.

• Click here to see No. 9: Guinea