The value of a country’s currency is determined by the strength of its economy and its connection to the rest of the world through trade. However, not all countries can maintain their currency values at the same level. Weakest currency Top 10 cheapest currency in the world Some countries face the impact of weak economic conditions, political turmoil, and global pressures. Recently, Forbes magazine released a list of the world’s weakest currencies. Here are the countries that made it to the list and the reasons behind it. 1 .The rial of the West Asian country of Iran is currently ranked as the world’s weakest currency. Due to political and economic turmoil in Iran, the value of the Iranian rial has declined significantly over the years, starting with the Islamic Revolution in 1978-79. 2 .The Vietnamese dong, a Southeast Asian country, has long been a weak currency. This is largely due to Vietnam’s transition from a state-controlled economy to a m...