How much does onion cost in Japan?

¥324 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 onion?

Among the surveyed cities in September 2026, Tsu was cheapest at ¥220 and Mito the most expensive at ¥530.

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

As of September 2026, -15.5% year on year, measured by Japan's official consumer price index (2020 = 100).

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

+19.2% compared with the same month five years earlier. The index now reads 133.0.

When were onion prices in Japan at their highest?

The series peaked at 223.2 in March 2026. The latest reading is -40.4% 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 1417

Onion price in Japan

たまねぎ

Average retail price

¥324per kg-14.6% year on year

2026-09 · unweighted average of 81 surveyed cities

Surveyed specification: 赤たまねぎを除く

Cheapest surveyed city: ¥220 Tsu
Priciest surveyed city: ¥530 Mito

Price in your city:

¥336per kg+3.8% vs national average#31 cheapest of 52 cities

See all 52 cities, cheapest first

#	City	Price (JPY) · per kg
1	Tsu	¥220
2	Nagasaki	¥259
3	Kofu	¥265
4	Oita	¥270
5	Fukushima	¥271
6	Niigata	¥272
7	Utsunomiya	¥282
8	Nagano	¥283
9	Gifu	¥283
10	Nara	¥288
11	Kagoshima	¥297
12	Okayama	¥299
13	Fukuoka	¥301
14	Otsu	¥311
15	Sendai	¥316
16	Sakai	¥317
17	Maebashi	¥318
18	Shizuoka	¥318
19	Hamamatsu	¥320
20	Yamaguchi	¥321
21	Sapporo	¥322
22	Naha	¥323
23	Akita	¥324
24	Tokushima	¥324
25	Toyama	¥326
26	Yokohama	¥327
27	Kyoto	¥330
28	Kawasaki	¥330
29	Saitama	¥332
30	Kanazawa	¥335
31	Tokyo (23 wards)	¥336
32	Aomori	¥336
33	Kitakyushu	¥338
34	Kochi	¥339
35	Matsue	¥341
36	Saga	¥341
37	Hiroshima	¥342
38	Kobe	¥344
39	Miyazaki	¥344
40	Takamatsu	¥346
41	Matsuyama	¥348
42	Chiba	¥349
43	Kumamoto	¥350
44	Sagamihara	¥353
45	Osaka	¥355
46	Fukui	¥356
47	Nagoya	¥362
48	Tottori	¥383
49	Yamagata	¥388
50	Wakayama	¥410
51	Morioka	¥482
52	Mito	¥530

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

Onion costs ¥324 per kg in Japan as of September 2026 — the unweighted average of 81 surveyed cities, down 14.6% from a year earlier. Measured as an index, the official CPI for onion reads 133.0 (2020 = 100) in September 2026, down 15.5% year on year and up 19.2% over five years.

Onion sits in the food group of Japan's CPI basket, with 681 monthly observations from January 1970 to September 2026. The series peaked at 223.2 in March 2026 and bottomed at 18.3 in June 1972; the latest reading is -40.4% against that peak. Against ten years ago it is -1.8%.

Latest CPI

133.0

2026-09 (2020=100)

YoY %

-15.5%

5y change %

+19.2%

Change since 1970-01

+419.5%

Annual average index by year

Annual average consumer price index for Onion in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	107.7	-0.9%	12
2016	110.4	+2.5%	12
2017	100.1	-9.3%	12
2018	103.9	+3.8%	12
2019	105.9	+1.9%	12
2020	100.4	-5.2%	12
2021	109.4	+9.0%	12
2022	159.2	+45.5%	12
2023	120.7	-24.2%	12
2024	149.3	+23.7%	12
2025	162.3	+8.7%	12
2026	185.0	+14.0%	9

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

Average retail price by month

2026-09	¥324
2026-08	¥376
2026-07	¥361
2026-06	¥348
2026-05	¥462
2026-04	¥518
2026-03	¥540
2026-02	¥537
2026-01	¥533
2025-12	¥515
2025-11	¥471
2025-10	¥432
2025-09	¥379

Frequently asked questions

How much does onion cost in Japan?: ¥324 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 onion?: Among the surveyed cities in September 2026, Tsu was cheapest at ¥220 and Mito the most expensive at ¥530.
How much have onion prices changed in Japan over the past year?: As of September 2026, -15.5% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have onion prices changed in Japan over the past five years?: +19.2% compared with the same month five years earlier. The index now reads 133.0.
When were onion prices in Japan at their highest?: The series peaked at 223.2 in March 2026. The latest reading is -40.4% 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).