Japan's inflation stands at 0.6%, reports The Guardian.
The rise is a result of the March earthquake and tsunami. The website reports that consumer prices rose after fuel imports surged following the nuclear crisis.
Higher energy costs also pushed prices excluding fresh food up 0.6% in April from a year ago, according to the Japanese statistics bureau. Including food, prices rose by 0.3%.
Keith Wade, chief economist at Schroders predicted that prices would rise after the disaster.
The Japanese economy has been in a period of deflation, lasting over 10 years however Kaoru Yosano, Japan's economy minister, said the rise does not mean a sustained end to the situation.
Ratings agency Fitch has revised Japan's outlook to negative from stable.
Bloomberg reports that the Bank of Japan was poised to keep its monetary stimulus, contrasting with counterparts from China to India that are tightening policy to stem inflation.