Sandy Ingram – Dinar Guru 10 weakest currencies in the world: The value of a currency depends on supply and demand while some are pegged, meaning the currency is valued at an agreed rate. The foreign exchange rate is an indicator of a country’s economic wealth. #10 The Iraqi dinar – inflation and political instability are the given reasons. #9 Ugandan shilling (USH)… #8 Paraguayan Guarani (PYG)…land locked in South America #7 Guinean Franc (GNF)… #6 Uzbekistani Som (UZS) 1 USD = 12,501 UZS #5 Indonesian Rupiah (IDR) #4 Laotian Kip (LAK)…only land locked country in Southeast Asia. #3 Sierra Leonean Leone (SLL). #2 Vietnam Dong (VND) #1 Iranian Rial (IRR)