Amazon JP Niche Research — 14,733 Niches Scored (2026)
Live analysis of 14,733 Amazon niches across 4 categories in the Japan marketplace — ¥180.9B/yr tracked market, median 90-day growth +4.2%.
Niches tracked
14,733
across 4 categories
Market size/yr
¥180.9B
Median growth (90d)
+4.2%
90-day search growth
Latest weekly searches
53.2M
week of 2026-07-26
Signals Trending 1,502 No Dominant Brand 2,083 Low Review Barrier 6,531 Quality Gap 3,252 High Returns 6 High Price 14,733 Out of Stock 1,379
Where the money is
Yearly tracked market size by categoryDemand
Weekly Amazon search volume, last 104 weeks.Movers — 90-day search growth
Rising
#NameGrowth (90d)
Categories
| # | Category | Niches | Market/yr | Median 90d | Launch-ready | Score |
|---|---|---|---|---|---|---|
| 1 | ドラッグストア | 3,383 | ¥84.0B | +2.2% | 879 | 53 |
| 2 | DIY・工具・ガーデン | 4,191 | ¥40.3B | +2.8% | 1,360 | 57 |
| 3 | スポーツ＆アウトドア | 3,410 | ¥33.1B | +17.8% | 1,295 | 56 |
| 4 | おもちゃ | 3,749 | ¥23.5B | -2.6% | 507 | 48 |
Best niches right now
| # | Niche | Verdict | Score | Market/yr | 90d | Top 5 | Rating | Price |
|---|---|---|---|---|---|---|---|---|
| 1 | 熊笛 スポーツ＆アウトドア | Launch it | 81 | ¥5.5M | +260.5% | 32% | 4.0★ | ¥1299.77 |
| 2 | 水鉄砲 おもちゃ | Launch it | 80 | ¥90.2M | +574.0% | 20% | 3.8★ | ¥2791.97 |
| 3 | 熊鈴 スポーツ＆アウトドア | Launch it | 79 | ¥91.3M | +342.9% | 42% | 4.1★ | ¥1247.71 |
| 4 | 草刈り機 替え刃 DIY・工具・ガーデン | Launch it | 79 | ¥38.2M | +268.1% | 20% | 3.7★ | ¥2057.86 |
| 5 | スーパーボール おもちゃ | Launch it | 79 | ¥33.6M | +208.7% | 26% | 4.2★ | ¥2281.71 |
| 6 | 風鈴 DIY・工具・ガーデン | Launch it | 79 | ¥14.2M | +658.9% | 25% | 4.0★ | ¥1801.25 |
| 7 | 草刈り機 ハンドル DIY・工具・ガーデン | Launch it | 79 | ¥5.2M | +385.4% | 30% | 3.5★ | ¥2452.64 |
| 8 | 電動ウォーターガン おもちゃ | Launch it | 79 | ¥4.8M | +660.5% | 22% | 3.7★ | ¥4476.30 |