Free dashboard shows the best-selling weeks of about 520 items, built from Japan’s Household Survey
Sendata Inc. has released “52-Week MD Dashboard (Household Survey edition)”, a free tool that needs no registration. Using daily spending data from the Ministry of Internal Affairs’ Family Income and Expenditure Survey, it shows when about 520 items sell best across 52 weeks, and who buys them.
Key points
- Daily spending data (from 2000) is re-aggregated by week for about 520 items; free, no sign-up, updated monthly
- Example: hamburgers sell most in New Year week (Jan 1–7), at 1.4 times an average week; the weakest is the first week of May at 0.8
- Over the 2026 New Year holiday (Jan 1–3), daily eating-out spending was 38.8% higher than the same weekdays a week earlier
Background
Retailers and restaurants widely use “52-week MD”, planning promotions and displays week by week. But the main evidence for when items sell has been a company’s own prior-year results. The survey publishes daily spending, but the large tables are laborious to rearrange by week.
What it means for shops
Even small shops with little POS history can compare their own pattern with the nationwide pattern. Note that the survey covers households of two or more people nationwide, and the age, income and city figures are not weekly results.
What shops should do
- Check which weeks are strong and weak for your main products
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Summaries are written by Seiichi Studio based on the original releases. Always check the source for the exact details.