CurrenciesOne comparison sees Japan currency as world's weakest, softer than Turkey's liraSoaring oil prices due to the Middle East conflict are worsening the structural issues that have led to yen-selling. © ReutersAYAKA YOSHINOMay 27, 2026 04:14 JSTTOKYO -- The strength of the yen in real terms has hit a new low going back to the 1970s, pushing down Japan's external purchasing power, as the trade deficit and other structural selling pressure factors on the yen are exacerbated by rising oil prices.