How much does hijiki seaweed cost in Japan?

¥2,285 per 100 g, as of September 2026 — the unweighted average of 47 surveyed cities in the government's retail price survey.

Which Japanese city has the cheapest hijiki seaweed?

Among the surveyed cities in September 2026, Yamaguchi was cheapest at ¥1,763 and Utsunomiya the most expensive at ¥3,115.

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

As of September 2026, -0.3% year on year, measured by Japan's official consumer price index (2020 = 100).

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

+20.2% compared with the same month five years earlier. The index now reads 121.2.

When were hijiki seaweed prices in Japan at their highest?

The series peaked at 122.4 in October 2025. The latest reading is -1.0% 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 1464

Hijiki seaweed price in Japan

ひじき

Average retail price

¥2,285per 100 g+0.3% year on year

2026-09 · unweighted average of 47 surveyed cities

Surveyed specification: 乾燥ひじき，芽ひじき，国産品，並

Cheapest surveyed city: ¥1,763 Yamaguchi
Priciest surveyed city: ¥3,115 Utsunomiya

Price in your city:

¥2,494per 100 g+9.2% vs national average#36 cheapest of 47 cities

See all 47 cities, cheapest first

#	City	Price (JPY) · per 100 g
1	Yamaguchi	¥1,763
2	Hiroshima	¥1,773
3	Matsue	¥1,794
4	Naha	¥1,807
5	Takamatsu	¥1,839
6	Matsuyama	¥1,906
7	Okayama	¥1,912
8	Akita	¥1,970
9	Kagoshima	¥1,982
10	Niigata	¥1,992
11	Tottori	¥2,033
12	Morioka	¥2,034
13	Sapporo	¥2,077
14	Shizuoka	¥2,084
15	Tokushima	¥2,106
16	Saga	¥2,156
17	Aomori	¥2,169
18	Nagasaki	¥2,190
19	Chiba	¥2,238
20	Tsu	¥2,241
21	Miyazaki	¥2,259
22	Fukui	¥2,270
23	Mito	¥2,295
24	Gifu	¥2,298
25	Yokohama	¥2,301
26	Fukuoka	¥2,331
27	Kochi	¥2,348
28	Nara	¥2,361
29	Wakayama	¥2,364
30	Kobe	¥2,375
31	Osaka	¥2,380
32	Otsu	¥2,393
33	Oita	¥2,404
34	Kanazawa	¥2,427
35	Toyama	¥2,492
36	Tokyo (23 wards)	¥2,494
37	Kyoto	¥2,494
38	Nagoya	¥2,529
39	Yamagata	¥2,572
40	Nagano	¥2,577
41	Saitama	¥2,676
42	Kumamoto	¥2,678
43	Maebashi	¥2,687
44	Fukushima	¥2,691
45	Sendai	¥2,717
46	Kofu	¥2,793
47	Utsunomiya	¥3,115

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

Hijiki seaweed costs ¥2,285 per 100 g in Japan as of September 2026 — the unweighted average of 47 surveyed cities, up 0.3% from a year earlier. Measured as an index, the official CPI for hijiki seaweed reads 121.2 (2020 = 100) in September 2026, down 0.3% year on year and up 20.2% over five years.

Hijiki seaweed sits in the food group of Japan's CPI basket, with 261 monthly observations from January 2005 to September 2026. The series peaked at 122.4 in October 2025 and bottomed at 47.1 in January 2005; the latest reading is -1.0% against that peak. Against ten years ago it is +56.8%.

Latest CPI

121.2

2026-09 (2020=100)

YoY %

-0.3%

5y change %

+20.2%

Change since 2005-01

+157.3%

Annual average index by year

Annual average consumer price index for Hijiki seaweed in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	74.9	+1.4%	12
2016	77.0	+2.8%	12
2017	85.4	+10.9%	12
2018	97.8	+14.5%	12
2019	99.5	+1.7%	12
2020	100.0	+0.5%	12
2021	99.9	-0.1%	12
2022	100.6	+0.7%	12
2023	106.2	+5.6%	12
2024	115.9	+9.1%	12
2025	121.0	+4.4%	12
2026	121.1	+0.1%	9

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

Average retail price by month

2026-09	¥2,285
2026-08	¥2,273
2026-07	¥2,264
2026-06	¥2,281
2026-05	¥2,272
2026-04	¥2,285
2026-03	¥2,279
2026-02	¥2,287
2026-01	¥2,282
2025-12	¥2,284
2025-11	¥2,285
2025-10	¥2,290
2025-09	¥2,277

Frequently asked questions

How much does hijiki seaweed cost in Japan?: ¥2,285 per 100 g, as of September 2026 — the unweighted average of 47 surveyed cities in the government's retail price survey.
Which Japanese city has the cheapest hijiki seaweed?: Among the surveyed cities in September 2026, Yamaguchi was cheapest at ¥1,763 and Utsunomiya the most expensive at ¥3,115.
How much have hijiki seaweed prices changed in Japan over the past year?: As of September 2026, -0.3% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have hijiki seaweed prices changed in Japan over the past five years?: +20.2% compared with the same month five years earlier. The index now reads 121.2.
When were hijiki seaweed prices in Japan at their highest?: The series peaked at 122.4 in October 2025. The latest reading is -1.0% 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).