What do people get wrong about Japanese supermarkets?
This answer is a draft. It stays unpublished until legal review and source verification are complete.
Visitors photograph convenience stores and depachika food halls, but the ordinary neighbourhood supermarket is where residents shop, where prices are lowest, and where a few unwritten rules catch newcomers out.
How it works
| Feature | What to expect |
|---|---|
| Evening markdowns | Stickers of 20–50% off (割引 / 半額) on sushi, bento and fresh food from roughly 18:00–20:00 |
| Bagging | You pay at the till, then pack your own bags at the sakkudai (bagging table). Plastic bags cost ¥3–5 since the July 2020 charge |
| Self-checkout | Common in chains; many have "semi-self" tills where staff scan and you pay at a machine |
| Point cards | Offered at most tills; declining ("kekkō desu") is normal |
| Baskets | Take a basket, not a trolley, for a small shop; trolleys hold baskets |
| Opening hours | Typically 9:00 or 10:00 to 21:00–23:00; some 24 hours |
- Japan has about 23,000 supermarkets (Supermarket White Paper 2024, based on the associations' annual census), against roughly 55,700 convenience stores (Japan Franchise Association, Dec 2024).
- The plastic bag charge became mandatory on 1 July 2020; most residents carry a folding bag.
- Egg cartons are not refrigerated in many stores; eggs are dated for raw consumption (see the eggs article).
[Verify] Store counts with the Japan Supermarket Association and Japan Franchise Association; bag-charge date with the Ministry of the Environment.
Misunderstanding 1｜Convenience stores are cheaper because they are everywhere
They are more expensive — you pay for the location and hours. For a week's food, the supermarket is the budget choice.
Misunderstanding 2｜Staff will bag your shopping
At most supermarkets the cashier puts items back in a basket and you bag them yourself at the table behind the tills. Standing at the till to pack holds up the queue.
Misunderstanding 3｜Prices shown are what you pay
Prices must be shown tax-inclusive (since April 2021), so the shelf price is the till price. Some stores show both; the larger number includes tax.
Misunderstanding 4｜You cannot try before you buy
Tasting counters (shishoku) are common at weekends, and fruit is often sold by the piece so you can buy one. Squeezing fruit is frowned upon.
Misunderstanding 5｜It is all raw fish and rice
The deli section (sōzai) sells ready meals — fried chicken, croquettes, salads, grilled fish — that are what many households actually eat on weeknights, and they are what gets discounted after 18:00.
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Sources
- Japan Supermarket Association — Supermarket census (スーパーマーケット年次統計調査)
https://www.super.or.jp/
- Ministry of the Environment — Plastic bag charge (レジ袋有料化) from 1 July 2020
https://plastics-smart.env.go.jp/rejibukuro-charge/
- National Tax Agency — Tax-inclusive price display
https://www.nta.go.jp/english/taxes/consumption_tax/
⚠️ Editorial note: the source URLs above were identified by search. Our working environment cannot reach go.jp domains, so the contents have not been checked against the text. Verify every source before publication and record who checked it and when.
About this article
What we share here are ideas and everyday practices passed down among people living in Japan, together with general information drawn from public sources. They are not official recommendations, and they are not professional instruction. Practices vary between households and regions.
This is general information. Results vary from person to person and depend on your own conditions and surroundings.
Please decide for yourself, using your own judgement, whether any of this suits your situation. We cannot accept responsibility for any damage, loss or injury arising from following this article.
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Sources
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