How much does asari clam cost in Japan?

¥174.1 per 100 g, as of September 2026 — the unweighted average of 80 surveyed cities in the government's retail price survey.

Which Japanese city has the cheapest asari clam?

Among the surveyed cities in September 2026, Matsue was cheapest at ¥98 and Tokorozawa the most expensive at ¥301.

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

As of September 2026, +2.1% year on year, measured by Japan's official consumer price index (2020 = 100).

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

+24.6% compared with the same month five years earlier. The index now reads 136.2.

When were asari clam prices in Japan at their highest?

The series peaked at 155.6 in July 2024. The latest reading is -12.5% 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 1131

Asari clam price in Japan

あさり

Average retail price

¥174.1per 100 g+3.9% year on year

2026-09 · unweighted average of 80 surveyed cities

Surveyed specification: 殻付き

Cheapest surveyed city: ¥98 Matsue
Priciest surveyed city: ¥301 Tokorozawa

Price in your city:

¥181per 100 g+4.0% vs national average#34 cheapest of 52 cities

See all 52 cities, cheapest first

#	City	Price (JPY) · per 100 g
1	Matsue	¥98
2	Akita	¥106
3	Niigata	¥117
4	Kagoshima	¥117
5	Saitama	¥118
6	Mito	¥122
7	Nagasaki	¥123
8	Maebashi	¥127
9	Yamagata	¥129
10	Nagano	¥131
11	Saga	¥133
12	Fukuoka	¥139
13	Toyama	¥142
14	Nara	¥147
15	Oita	¥151
16	Fukui	¥152
17	Kofu	¥153
18	Nagoya	¥155
19	Hamamatsu	¥156
20	Sagamihara	¥160
21	Kitakyushu	¥161
22	Kumamoto	¥162
23	Kawasaki	¥162
24	Naha	¥163
25	Sakai	¥165
26	Kanazawa	¥168
27	Kyoto	¥168
28	Sendai	¥171
29	Tsu	¥171
30	Gifu	¥176
31	Kobe	¥176
32	Yokohama	¥177
33	Fukushima	¥179
34	Tokyo (23 wards)	¥181
35	Utsunomiya	¥181
36	Osaka	¥182
37	Aomori	¥184
38	Morioka	¥185
39	Tokushima	¥187
40	Chiba	¥191
41	Matsuyama	¥208
42	Wakayama	¥216
43	Otsu	¥224
44	Miyazaki	¥228
45	Hiroshima	¥233
46	Takamatsu	¥233
47	Shizuoka	¥237
48	Tottori	¥260
49	Sapporo	¥262
50	Kochi	¥268
51	Yamaguchi	¥270
52	Okayama	¥286

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

Asari clam costs ¥174.1 per 100 g in Japan as of September 2026 — the unweighted average of 80 surveyed cities, up 3.9% from a year earlier. Measured as an index, the official CPI for asari clam reads 136.2 (2020 = 100) in September 2026, up 2.1% year on year and up 24.6% over five years.

Asari clam sits in the food group of Japan's CPI basket, with 681 monthly observations from January 1970 to September 2026. The series peaked at 155.6 in July 2024 and bottomed at 7.1 in January 1970; the latest reading is -12.5% against that peak. Against ten years ago it is +35.0%.

Latest CPI

136.2

2026-09 (2020=100)

YoY %

+2.1%

5y change %

+24.6%

Change since 1970-01

+1,818.3%

Annual average index by year

Annual average consumer price index for Asari clam in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	98.0	+3.4%	12
2016	98.8	+0.8%	12
2017	98.0	-0.8%	12
2018	98.7	+0.7%	12
2019	98.7	0.0%	12
2020	101.4	+2.7%	12
2021	104.5	+3.1%	12
2022	129.3	+23.7%	12
2023	142.0	+9.8%	12
2024	145.8	+2.7%	12
2025	135.4	-7.1%	12
2026	136.6	+0.9%	9

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

Average retail price by month

2026-09	¥174.1
2026-08	¥175.7
2026-07	¥175.4
2026-06	¥177.3
2026-05	¥175.2
2026-04	¥173.4
2026-03	¥170
2026-02	¥170
2026-01	¥166.7
2025-12	¥172
2025-11	¥172.3
2025-10	¥169.9
2025-09	¥167.6

Frequently asked questions

How much does asari clam cost in Japan?: ¥174.1 per 100 g, as of September 2026 — the unweighted average of 80 surveyed cities in the government's retail price survey.
Which Japanese city has the cheapest asari clam?: Among the surveyed cities in September 2026, Matsue was cheapest at ¥98 and Tokorozawa the most expensive at ¥301.
How much have asari clam prices changed in Japan over the past year?: As of September 2026, +2.1% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have asari clam prices changed in Japan over the past five years?: +24.6% compared with the same month five years earlier. The index now reads 136.2.
When were asari clam prices in Japan at their highest?: The series peaked at 155.6 in July 2024. The latest reading is -12.5% 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).