How much does konnyaku cost in Japan?

¥460 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 konnyaku?

Among the surveyed cities in September 2026, Naha was cheapest at ¥257 and Hachioji the most expensive at ¥694.

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

As of September 2026, +17.4% year on year, measured by Japan's official consumer price index (2020 = 100).

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

+29.2% compared with the same month five years earlier. The index now reads 128.9.

When were konnyaku prices in Japan at their highest?

Right now. The latest month, September 2026, is the highest reading in the series at 128.9 — a record high since the series began.

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 1481

Konnyaku price in Japan

こんにゃく

Average retail price

¥460per kg+17.6% year on year

2026-09 · unweighted average of 81 surveyed cities

Surveyed specification: 板こんにゃく

Cheapest surveyed city: ¥257 Naha
Priciest surveyed city: ¥694 Hachioji

Price in your city:

¥514per kg+11.7% vs national average#43 cheapest of 52 cities

See all 52 cities, cheapest first

#	City	Price (JPY) · per kg
1	Naha	¥257
2	Akita	¥325
3	Fukushima	¥360
4	Miyazaki	¥379
5	Aomori	¥383
6	Morioka	¥387
7	Saga	¥396
8	Mito	¥397
9	Yamagata	¥410
10	Maebashi	¥410
11	Niigata	¥411
12	Shizuoka	¥411
13	Hiroshima	¥416
14	Hamamatsu	¥420
15	Sendai	¥421
16	Nagano	¥422
17	Osaka	¥422
18	Kawasaki	¥422
19	Kyoto	¥428
20	Kitakyushu	¥428
21	Nagoya	¥429
22	Tottori	¥432
23	Kofu	¥436
24	Tokushima	¥438
25	Nara	¥440
26	Wakayama	¥443
27	Tsu	¥445
28	Kobe	¥447
29	Saitama	¥460
30	Fukuoka	¥462
31	Nagasaki	¥462
32	Toyama	¥464
33	Okayama	¥472
34	Otsu	¥477
35	Utsunomiya	¥489
36	Sakai	¥489
37	Fukui	¥495
38	Kanazawa	¥498
39	Gifu	¥498
40	Matsuyama	¥498
41	Oita	¥508
42	Kochi	¥509
43	Tokyo (23 wards)	¥514
44	Yokohama	¥517
45	Kumamoto	¥532
46	Sagamihara	¥532
47	Sapporo	¥542
48	Yamaguchi	¥542
49	Matsue	¥560
50	Chiba	¥570
51	Takamatsu	¥586
52	Kagoshima	¥664

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

Konnyaku costs ¥460 per kg in Japan as of September 2026 — the unweighted average of 81 surveyed cities, up 17.6% from a year earlier. Measured as an index, the official CPI for konnyaku reads 128.9 (2020 = 100) in September 2026, up 17.4% year on year and up 29.2% over five years.

Konnyaku sits in the food group of Japan's CPI basket, with 681 monthly observations from January 1970 to September 2026. The series peaked at 128.9 in September 2026 and bottomed at 18.8 in January 1970; the latest reading is at its highest recorded level. Against ten years ago it is +28.8%.

Latest CPI

128.9

2026-09 (2020=100)

YoY %

+17.4%

5y change %

+29.2%

Change since 1970-01

+585.6%

Annual average index by year

Annual average consumer price index for Konnyaku in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	100.9	+0.4%	12
2016	100.7	-0.2%	12
2017	100.2	-0.5%	12
2018	99.9	-0.3%	12
2019	99.8	-0.1%	12
2020	100.0	+0.2%	12
2021	99.9	-0.1%	12
2022	100.6	+0.7%	12
2023	104.3	+3.7%	12
2024	106.2	+1.8%	12
2025	109.3	+2.9%	12
2026	121.3	+11.0%	9

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

Average retail price by month

2026-09	¥460
2026-08	¥453
2026-07	¥455
2026-06	¥449
2026-05	¥443
2026-04	¥429
2026-03	¥402
2026-02	¥395
2026-01	¥389
2025-12	¥389
2025-11	¥390
2025-10	¥390
2025-09	¥391

Frequently asked questions

How much does konnyaku cost in Japan?: ¥460 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 konnyaku?: Among the surveyed cities in September 2026, Naha was cheapest at ¥257 and Hachioji the most expensive at ¥694.
How much have konnyaku prices changed in Japan over the past year?: As of September 2026, +17.4% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have konnyaku prices changed in Japan over the past five years?: +29.2% compared with the same month five years earlier. The index now reads 128.9.
When were konnyaku prices in Japan at their highest?: Right now. The latest month, September 2026, is the highest reading in the series at 128.9 — a record high since the series began.
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).