The Iranian Rial is considered the world's weakest currency, primarily due to long-standing economic sanctions, high inflation, and political instability. Despite Iran's vast natural resources, these challenges have severely devalued its currency over time. As of September 2025, 1 Indian Rupee is equal to approximately 477.79 Iranian Rials.
While strong currencies are usually well-known, the lowest-valued ones often go unnoticed. Understanding the weakest currencies provides insights into global economic conditions and financial stability.
A list of the world’s least valuable currency is mentioned below -As of September, 2025
Currency | 1 INR Value (As of September, 2025) |
Iranian Rial | 477.79 IRR |
Vietnamese Dong | 299.70 VND |
Sierra Leonean Leone | 258.17 SLL |
Lao/Laotian Kip | 246.45 LAK |
Indonesian Rupiah | 186.66 IDR |
Uzbekistani Som | 141.11 UZS |
Guinean Franc | 98.43 GNF |
Paraguayan Guarani | 81.96 PYG |
Cambodian Riel | 45.49 KHR |
Ugandan Shilling | 40.09 UGX |
Today 1 Indian Rupee = 477.79 IRR.
Currently, the Iranian Rial is considered the world's least valuable currency. This is the result of factors like political unrest in the country. The Iran-Iraq war and the nuclear program also played a huge part.
1 Indian Rupee = 299.70 VND
The nation has historically operated under a centralized economy. Although the nation has started establishing a market economy, there is still a long way to go. Currently, there is a significant devaluation of the Vietnamese Dong.
1 Indian Rupee = 258.17 SLL
This African nation is severely impacted by poverty. 1 US dollar is worth 13892.50 Sierra Leonean Leones, or SLL. The nation has a long history of scandals and corruption. Along with other wars in the countries of Western Africa, it has also seen a terrible civil war. The nation's economy and the currency's value have both declined as a result of all this.
1 Indian Rupee = 246.45 LAK
The Lao currency has not devalued; since its establishment in 1952, it has maintained a low rate. Buying one US dollar costs approximately 15079.11 Laotian Kip or LSK. On the plus side, the currency's worth has increased over time
1 INR = 186.66 IDR
There has been no improvement in the Indonesian Rupiah in the last 7 years. Its depreciation is linked to several issues, including declining foreign exchange reserves due to the central bank's failure to safeguard the currency. Indonesia is heavily reliant on its commodity export industry. Additionally, the currency's value has decreased further due to the decline in commodity prices. Foreign investors hold 35 to 40 percent of the Rupiah sovereign bonds, which risks the capital flow.
1 Indian Rupee = 141.11 UZS
This nation's economy is among the worst, which results in a weak currency. The epidemic has had an impact on the economy of the nation like it has on many others, but data indicates that the nation's internal operations restarted in the third quarter of 2022. However, the decline in industrial output has increased uncertainty about the future of the currency.
1 Indian Rupee = 98.43 GNF
Guinean Franc is the official currency of Guinea. The nation suffers from widespread corruption and political unrest, which has made its currency weak. Year after year, the value of the nation decreases.
1 Indian Rupee = 81.96 PYG
The PYG is Paraguay's official unit of currency. High inflation, corruption, a high unemployment rate, and a rise in poverty resulted from a devastating economic collapse. Each of these elements has had a detrimental effect on the currency.
1 Indian Rupee = 45.49 KHR
The Cambodian Riel is weak due to high dollarisation. Political instability in the late 80s and early 90s eroded trust in the Riel, leading to widespread use of the US dollar. By the 90s, the dollar made up 90 percent of the money in circulation. Although the National Bank of Cambodia has increased Riel circulation by 80 percent over the past two decades, the country remains heavily reliant on the US dollar.
1 Indian Rupee = 40.09 USH
In 1966, the East African Shilling was replaced by the Uganda Shilling. The currency is now one of the least valuable ones in existence. Uganda, a nation in East Africa, suffered a serious setback under Idi Amin's rule. The president implemented measures, such as immigration laws, that harmed the nation's economy. The country's progress is still being hampered by the effects of the president's economic deterioration. However, the currency's value has increased in recent years, with devaluations of at most 5%.
The following factors influence the rate of currency exchange:
The highest currency in the world is Kuwaiti Dinar.
Exchange rates are set by two main systems: fixed and floating. Fixed rates used to be tied to gold or silver. Now, most currencies have floating rates that change based on market conditions and decisions by governments and central banks.
The lowest currency in the world is the Iranian Rial.
The second most expensive currency in the world is Bahraini Dinar.
Exchange rates are important because they show how strong or weak a country's currency is compared to others. This affects trade, investments, and the overall economy, much like how checking your bank balance shows your personal finances.
The cost of living in Dubai is 196% more than that in India.
India stands fourth in currency ranking based on popularity.
The Vietnamese Dong is having difficulty adjusting to a market economy, and investors' hesitation to make capital investments in the nation continues to keep the value of the Dong low.
The value of a currency is impacted by various factors such as recession, interest rates, inflation, political instability, government debt, etc.
Exchange rates affect how much a country’s exports and imports cost. When a currency weakens, exports become cheaper for other countries, which can increase sales, but imports become more expensive. When a currency strengthens, imports are cheaper, but exports may become pricier for other countries.
When exchange rates go up, your currency gets stronger. This makes things like foreign goods and vacations cheaper. However, it can also make your exports more expensive for other countries, which might reduce sales.
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