Consumer prices in Japan fell by 0.4% year-on-year in April, the sixth consecutive month of declines.
Japan has experienced years of deflation. The core consumer price index figure, which includes oil products but excludes prices of fresh food, followed a 0.5% drop in March.
And the jobless rate stayed at 4.1% in April, the lowest since November 2008.
The BBC reports Prime Minister Shinzo Abe aims to pull Japan out of 15 years of deflation with active government spending.
Bank of Japan governor Haruhiko Kuroda has pledged to achieve a 2% inflation target in two years.