全球对抹茶的狂热追捧正在重塑日本茶产业的地理与经济版图。去年日本绿茶出口量跃升至12,600吨，达到十年前出口规模的三倍之多，出口单价亦同步大幅飙升。这一爆发式增长极大地改变了日本南部九州岛鹿儿岛县的命运：不同于名声显赫的京都宇治传统抹茶产区或以冲泡绿茶闻名的静冈县，鹿儿岛在2024年首次登顶日本最大产茶区，目前供应了全国约40%用于研磨抹茶的“碾茶”原料，成为全球抹茶供应链的关键枢纽。

然而，出口繁荣背后掩盖着日本国内传统茶产业的深度萎缩与老龄化危机。与海外对抹茶粉的热衷不同，日本国内居民主要饮用煎茶等传统冲泡茶，但消费习惯变迁导致国内茶叶人均消费量从1970年的527克骤降至2024年的233克，降幅高达55.8%。伴随着严峻的少子老龄化和后继无人困境，在2005年至2025年间，日本全国茶树种植面积急剧萎缩了31%。此外，普通茶农向抹茶转型面临极高的技术与资金壁垒，生产碾茶必须在采收前实施复杂的遮光覆盖，并配备极为昂贵的专用深加工设备，令多数传统茶农难以分享这波出口红利。

面对激烈的全球竞争，日本茶业正全力押注高端精品化战略以实现突围。目前中国凭借压倒性的工业化规模优势，占据了全球抹茶总产量的70%，在总量上远超日本。为避免沦为大宗农产品价格战的牺牲品，日本种植商与行业领袖主张依托日本数百年沉淀的茶道美学与精湛风味工艺，将日本打造成全球抹茶产业中的“香槟产区”，通过确立无可替代的高端原产地品牌溢价来抵御外部冲击，从而在激烈的国际贸易中保住生存空间。

A global matcha boom is rapidly reshaping the agrarian geography of Japan's green tea industry. Driven by soaring international demand, Japanese green-tea exports surged to 12,600 tonnes last year, tripling volumes recorded a decade earlier alongside sharply rising export valuations. This windfall has dramatically elevated Kagoshima, situated on the southern island of Kyushu. Surpassing legacy producers like Kyoto’s historic Uji region and Shizuoka’s traditional sencha heartland, Kagoshima became Japan’s pre-eminent tea-producing prefecture for the first time in 2024, cultivating approximately 40% of the nation's tencha—the specialized unrolled leaf shade-grown and milled into matcha powder.

Beneath this export boom, however, Japan’s domestic tea sector contends with severe structural demographic and demand headwinds. While international consumers embrace matcha lattes and confections, domestic consumers primarily brew whole-leaf sencha, where per capita consumption plummeted from 527 grams in 1970 to 233 grams in 2024—a contraction of nearly 56%. Chronic rural depopulation, acute labor shortages, and succession deficits forced widespread farm abandonments, causing aggregate domestic tea cultivation acreage to shrink by 31% between 2005 and 2025. Furthermore, transition barriers are steep: cultivating tencha demands labor-intensive pre-harvest canopy shading techniques alongside capital-intensive industrial milling infrastructure that cash-strapped legacy growers cannot afford.

Compounding domestic supply constraints, Japanese growers face formidable international market competition from China, which now produces 70% of aggregate global matcha volume. Unable to compete on sheer industrial throughput and price, Japanese producers are actively repositioning domestic production toward high-margin, artisanal terroir. Leveraging deep cultural associations rooted in traditional chanoyu tea ceremonies, agricultural leaders argue that Japan must brand itself as the exclusive "Champagne region" of premium matcha, locking in irreplaceable geographical brand equity and gastronomic sophistication to defend against low-cost foreign commoditisation.

Source: Japan’s tea farmers enjoy a matcha boom

Subtitle: But they face growing competition from China

Dateline: Oct 1st 2026\n