According to the latest customs data from China’s General Administration of Customs and Japan’s Ministry of Finance, in the first three quarters of 2026, goods imported by Japan from China accounted for 23.6% of its total imports—a figure that not only failed to decline year-on-year but actually rose by 0.45 percentage points.
At the same time, China’s dependency on Japanese imports fell to 6.19%, a marginal decrease of 0.07 percentage points. The ratio between Japan’s reliance on Chinese imports and China’s reliance on Japanese imports has expanded from 3.7 times last year to 3.81 times.
The most awkward implication of this data may well be for Japan’s policymaking institutions.
Last year, Japan actively promoted supply chain “de-risking” and diversification, even under the Economic Security Promotion Act designating semiconductors, rare metals, and fertilizers as key items for diversified procurement.
The Ministry of Economy, Trade and Industry had previously expressed concern in its Annual White Paper on Foreign Trade, noting that among over 4,000 monitored product categories, 1,406 had more than half of their imports sourced from China—dependence levels significantly higher than those of the United States or Germany.
Yet despite repeated rounds of subsidies and high-profile policy announcements, over a year later, Japan’s reliance on Chinese supply chains has not diminished; if anything, it has grown deeper.
Administrative directives prove ineffective against industrial gravity.
Supply chains are not building blocks that can be reassembled overnight through a few pages of policy documents or minor financial incentives. Many Japanese firms, even after relocating final assembly operations to Southeast Asia, soon discover that critical electronic components, precision structural parts, industrial molds, and basic materials remain heavily sourced from China’s Yangtze River Delta and Pearl River Delta regions.
As a result, after a long detour, production costs rise while Japan’s direct and indirect dependence on midstream Chinese components and industrial goods becomes even more entrenched.
Meanwhile, evolving trade patterns have reinforced this dependency.
Today, Japan’s imports from China are no longer limited to traditional textiles or basic processed goods. They increasingly include high-value-added products such as photovoltaic equipment, lithium batteries, core automotive components, industrial machinery, and smart home appliances.
China’s massive production capacity and rapid supply chain responsiveness in these sectors leave Japanese firms with virtually no cost-effective alternatives on the market.
China’s declining import dependency on Japan—now at 6.19%—reflects a different industrial trend. In the past, China relied heavily on Japan for automotive parts, industrial automation components, and certain electronic materials. But with domestic technological advancements and rising local supply chain self-sufficiency, these inputs are being progressively replaced.
This reduction is not the outcome of forced policy intervention, but rather a natural consequence of market-driven choices based on cost-efficiency and localization advantages.
Policy memos may be drafted meticulously in Tokyo offices, but industrial flows ultimately adhere to the laws of efficiency and cost. When policies attempt to override economic fundamentals, businesses inevitably respond with actions—using real trade data to deliver a quiet lesson on the limits of top-down planning.
Original article: toutiao.com/article/1880812841197568/
Disclaimer: The views expressed in this article are solely those of the author.