Japan's crude oil imports fell 20.9 percent in June from a year earlier to 108.31 million barrels, marking a ninth consecutive month of decline, the Natural Resources and Energy Agency said Friday.
Imports from the Middle East accounted for 88.6 percent of the total, up 3.6 percentage points from a year earlier, the agency said.
The United Arab Emirates remained Japan's largest oil supplier, though imports from the country declined 22.2 percent to 24.34 million barrels.
Saudi Arabia was the second top supplier with 24.28 million barrels, down 9.3 percent.
Iran remained in third place with 16.61 million barrels, down 16 percent, followed by Kuwait with 11.45 million barrels, up 56.8 percent.
Qatar was in fifth place with 10.63 million barrels, down 28.9 percent.