Japan's seasonally adjusted tertiary industry activity index inched lower to 105.0 in March, down 0.3% from February, data from the Ministry of Economy, Trade and Industry showed.
On an annual basis, the original index rose 0.8% to 114.7.
Based on sector, business-related services posted the largest monthly rise of 2.7% in March, while the electricity, gas, heat supply and water industry registered the biggest monthly loss of 4.7%.
