Inflation in Iran is likely to peak at 300% and the situation in the country is deteriorating, US President Donald Trump said on Wednesday. All they have is fake news and 300% inflation, and getting worse! Iran is all talk and no action…," the US president noted. The International Monetary Fund (IMF) expects inflation rate in Iran to reach 69% this year. In June, Washington and Tehran signed a memorandum of understanding providing for an immediate cessation of hostilities on all fronts, including in Lebanon.