How much does potato cost in Japan?

¥473 per kg, as of September 2026 — the unweighted average of 81 surveyed cities in the government's retail price survey.

Which Japanese city has the cheapest potato?

Among the surveyed cities in September 2026, Fuchu (Tokyo) was cheapest at ¥326 and Itami the most expensive at ¥658.

How much have potato prices changed in Japan over the past year?

As of September 2026, -0.9% year on year, measured by Japan's official consumer price index (2020 = 100).

How much have potato prices changed in Japan over the past five years?

+15.6% compared with the same month five years earlier. The index now reads 125.8.

When were potato prices in Japan at their highest?

The series peaked at 172.1 in May 2026. The latest reading is -26.9% against that peak.

What is the difference between the index and the yen price?

This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).

Food · code 1412

Potato price in Japan

じゃがいも

Average retail price

¥473per kg-1.2% year on year

2026-09 · unweighted average of 81 surveyed cities

Cheapest surveyed city: ¥326 Fuchu (Tokyo)
Priciest surveyed city: ¥658 Itami

Price in your city:

¥488per kg+3.3% vs national average#32 cheapest of 52 cities

See all 52 cities, cheapest first

#	City	Price (JPY) · per kg
1	Utsunomiya	¥380
2	Nagano	¥388
3	Tsu	¥390
4	Takamatsu	¥391
5	Saga	¥392
6	Naha	¥393
7	Oita	¥396
8	Shizuoka	¥419
9	Kofu	¥426
10	Sakai	¥428
11	Niigata	¥431
12	Wakayama	¥432
13	Fukushima	¥433
14	Okayama	¥443
15	Fukuoka	¥445
16	Kochi	¥453
17	Hamamatsu	¥453
18	Nagasaki	¥454
19	Hiroshima	¥460
20	Chiba	¥468
21	Otsu	¥468
22	Nagoya	¥469
23	Toyama	¥470
24	Mito	¥471
25	Akita	¥472
26	Yokohama	¥473
27	Kanazawa	¥475
28	Kawasaki	¥475
29	Aomori	¥484
30	Saitama	¥484
31	Tokushima	¥487
32	Tokyo (23 wards)	¥488
33	Sagamihara	¥488
34	Matsue	¥489
35	Kitakyushu	¥491
36	Sapporo	¥496
37	Morioka	¥503
38	Kagoshima	¥506
39	Gifu	¥507
40	Sendai	¥508
41	Kyoto	¥509
42	Kobe	¥518
43	Kumamoto	¥529
44	Maebashi	¥530
45	Matsuyama	¥532
46	Nara	¥560
47	Yamagata	¥562
48	Yamaguchi	¥566
49	Miyazaki	¥566
50	Osaka	¥569
51	Tottori	¥599
52	Fukui	¥607

Retail price survey conducted by the Statistics Bureau of Japan. This is a survey average, not a shop price — actual prices vary by store. 総務省統計局小売物価統計調査 · Surveyed items and specifications

Key facts

Potato costs ¥473 per kg in Japan as of September 2026 — the unweighted average of 81 surveyed cities, down 1.2% from a year earlier. Measured as an index, the official CPI for potato reads 125.8 (2020 = 100) in September 2026, down 0.9% year on year and up 15.6% over five years.

Potato sits in the food group of Japan's CPI basket, with 681 monthly observations from January 1970 to September 2026. The series peaked at 172.1 in May 2026 and bottomed at 14.7 in March 1971; the latest reading is -26.9% against that peak. Against ten years ago it is +22.4%.

Latest CPI

125.8

2026-09 (2020=100)

YoY %

-0.9%

5y change %

+15.6%

Change since 1970-01

+532.2%

Annual average index by year

Annual average consumer price index for Potato in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	94.2	+17.3%	12
2016	101.5	+7.7%	12
2017	99.2	-2.3%	12
2018	85.7	-13.6%	12
2019	87.4	+2.0%	12
2020	103.3	+18.2%	12
2021	115.2	+11.5%	12
2022	110.5	-4.1%	12
2023	105.1	-4.9%	12
2024	121.0	+15.1%	12
2025	135.9	+12.3%	12
2026	152.7	+12.4%	9

Average of the monthly index values in each year (2020 = 100). Blank months are excluded.

Average retail price by month

2026-09	¥473
2026-08	¥566
2026-07	¥533
2026-06	¥510
2026-05	¥650
2026-04	¥642
2026-03	¥618
2026-02	¥602
2026-01	¥597
2025-12	¥568
2025-11	¥512
2025-10	¥465
2025-09	¥478

Frequently asked questions

How much does potato cost in Japan?: ¥473 per kg, as of September 2026 — the unweighted average of 81 surveyed cities in the government's retail price survey.
Which Japanese city has the cheapest potato?: Among the surveyed cities in September 2026, Fuchu (Tokyo) was cheapest at ¥326 and Itami the most expensive at ¥658.
How much have potato prices changed in Japan over the past year?: As of September 2026, -0.9% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have potato prices changed in Japan over the past five years?: +15.6% compared with the same month five years earlier. The index now reads 125.8.
When were potato prices in Japan at their highest?: The series peaked at 172.1 in May 2026. The latest reading is -26.9% against that peak.
What is the difference between the index and the yen price?: This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).