Overall consumer prices in Japan climbed 0.7 percent on year in September, the Ministry of Internal Affairs and Communications cited by rttnews.
That was in line with expectations and unchanged from the August reading.
Core inflation also advanced an annual 0.7 percent - again matching forecasts and steady from the previous month.
Fuel prices led the increase, up 6.0 percent on year, along with medical care (1.8 percent), food (1.0 percent), education (0.4 percent and recreation (0.2 percent).
Clothing prices were down an annual 0.3 percent, along with housing and furniture (both -0.2 percent).
Overall and core CPI both were flat on a monthly basis.