Home › By month

Top 20 risers

Coffee beans+46.6%

Onions+42.5%

Aseptic packaged cooked rice+39.0%

“Mochi”, rice-cakes+35.7%

Salted mackerel+25.9%

Dermal medicines+24.6%

Chocolate+21.6%

Chewing gum+21.5%

Rings+20.1%

Instant coffee+20.1%

Green tea+18.1%

Mackerel+17.3%

Fruit juice+17.0%

Coffee beverages-A+16.6%

White potatoes+16.1%

Coffee beverages-B+15.9%

Grilled fish+15.3%

Tuna fish+14.1%

Detergent, laundry+13.8%

Saury+13.4%

Top 15 fallers

School lunch (elementary school)-98.3%

High school fees (private)-73.2%

Chinese cabbage-38.0%

Radishes-25.9%

Welsh onions-25.0%

Cabbage-24.3%

Nursery school fees-21.6%

Avocados-20.5%

Carrots-19.8%

School lunch (junior high school)-18.3%

Pianos-12.8%

Lotus roots-11.7%

Lettuce-11.5%

Toilet seat with a hot douche-10.3%

Gasoline-9.7%

By group

Food+3.3%

Housing+0.8%

Fuel, light & water-1.7%

Furniture & household utensils+2.0%

Clothes & footwear+1.3%

Medical care+0.4%

Transportation & communication+2.1%

Education-3.9%

Culture & recreation+1.1%

Miscellaneous+0.1%

← Mar 2026May 2026 →

Year-on-year change of the Japan CPI (Statistics Bureau, all Japan). Item indices, not shop prices. Items with weight 3 or more.