Shizuoka Prefecture

In Shizuoka, the overall verdict of “balanced type” is only half right. It is true the indicators gather near the national average with small ups and downs, and neither a showy break-out nor a fatal single-point collapse is easy to see. But that look of nearness to average conceals the fact that the contour is drawn at the two poles—the highest is “per-capita prefectural income,” the lowest the “number of physicians (per 100,000 people).” The birth rate (total fertility rate) and life expectancy also fall slightly below the national average; the weaknesses lean toward the medical-care and child-rearing side.

What is structurally more important is that the overall advantage in effect depends on a single line, “per-capita prefectural income” (about 51% of the strength). Pull that pillar from your mind once, and the advantage nearly disappears. Right inside the appearance of a balanced type, a lopsided dependence on a single point of economic strength is hidden. The average value and the overall ranking easily conceal this structural dependence.

The depth of tourism and industry represented by tea and Fuji, too, does not directly fill in the real number that is the count of physicians. The more a phrase like “well balanced” is used, the more its breakdown is worth opening up—even in a prefecture with 40% of the tea fields, even with Fuji’s standing, the one-legged structure of income does not change. The depth of the signboard and the bias of the numerical structure I write on separate tables. The question of what remains when one line is pulled out I want to carry over from here into the next section.

When speaking of Shizuoka’s future, the Chuo Shinkansen maglev sits in an ironic position. There is no station within the prefecture; a tunnel through the Southern Alps merely passes through. And that Shizuoka work section has remained un-started out of concern for the water resources of the Oi River from tunnel seepage and for environmental conservation of the Southern Alps, becoming the main section behind the delay in opening the whole maglev line. An expert panel of the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) compiled an interim report, and in June 2024 a tripartite agreement on water-cycle restoration measures was reached among Yamanashi, JR Central, and the prefecture, but the coordination is contentious. It is the inverse of other prefectures: the benefit falls on other prefectures, and only the burden and the dispute remain within the prefecture. As a wish particular to the prefecture, the concept of a Mount Fuji Shizuoka Airport shinkansen new station (midway between Shizuoka Station and Kakegawa Station) has continued as a 30-year point of contention—JR Central continues to refuse on the grounds of “proximity to Kakegawa Station,” while at a June 2024 top-level meeting it made a forward-looking remark toward “dialogue.” Its certainty is at the conceptual stage, with a construction cost estimated at about ¥40 billion, coexisting as a long-term contested matter on a layer separate from the maglev point of contention.

A heavier downward force is the Nankai Trough megaquake. In the long-term evaluation of the government’s Earthquake Research Committee it is placed in the top-rank probability band of occurrence, and Shizuoka, including its coast, is liable to strong shaking and tsunami impact. The prefecture has published damage estimates for strong ground motion and tsunami inundation. The timing of occurrence is uncertain, but the certainty is an official government figure and the scale of impact is extremely large—a constantly coexisting downward force. Onto this overlaps a phase of generational turnover concentrated in 2031–33 and a rising vacant-home ratio.

A present supported by a single line of income, a maglev whose benefit does not fall here while only the dispute remains, an earthquake risk of the top rank, and a certain demographic weight. In that a benefit-less plan and a top-rank disaster coexist inside the same prefectural borders, the composition is inverted from the maglev debates of other prefectures. I do not round these into a single scenario; I keep them lined up on my own time axis without mistaking the reach of the benefit for the degree of certainty. The individual schedules, plans, and degrees of certainty are lined up one by one in the development roadmap at the bottom of the page.