Yamanashi Prefecture

Why does a long-lived prefecture carry a thinness of physicians? Yamanashi holds this question inside as its indicators settle around the middle of the national average, with only small gaps. Neither a strength that breaks through nor a single fatally collapsing point comes into view, and that very inconspicuousness becomes the prefecture’s characteristic. Its relative strengths are life expectancy, per-capita prefectural income, and public safety (number of crimes), all settling toward the upper national ranks.

Within that, what is structurally non-obvious is that the two ends defining the contour both lie in the medical-care category. The highest is life expectancy, the lowest the number of physicians (per 100,000 people)—within the same category, strength and weakness face each other. Together with this, the unemployment rate and the birth rate (total fertility rate) also sink below the underlying strength, a twist that the balanced overall evaluation easily conceals.

The standing of Fuji as a World Heritage site, and the abundance of grapes, do not directly fill in the real number that is the count of physicians. Yamanashi alone quietly betrays the nationwide tendency that “more physicians means longer lives”—this is a strong reversal that can only be reread as: it is not the average, but that within the thinness of physicians something is at work that sustains longevity. It is too early to settle on a single reason, but I want to keep watching the possibility that, within the terrain closed off at the northern foot of Fuji, forces other than medical resources are sustaining life expectancy.

Yamanashi’s future is strongly pulled by a single phrase—the Chuo Shinkansen maglev. The prefectural station spans Kofu City and Chuo City and connects directly to the newly built Kofu Chuo Smart IC on the Chuo Expressway—the first time in Japan a shinkansen station connects directly to an intercity expressway interchange, a distance revolution of about 25 minutes to Shinagawa and about 40 minutes to Nagoya. The prefectural station is slated to begin construction in March 2026 and be completed in December 2031, and Kofu City has already drawn up a plan to develop about 24.5 ha of the station-front area. Against the balanced type seen in the previous section, this becomes a strong lifting factor.

But I write the certainty precisely. In March 2024, JR Central abandoned its target of opening the Shinagawa–Nagoya section in 2027. With the Shizuoka work section not yet under construction, the outlook is for the opening to be pushed back into the 2030s. Construction of the prefectural station proceeds, but the very timing of when trains will start running to that station keeps moving. Yamanashi’s maglev must be read as it is: “its coming is all but certain, but when it comes is not settled.”

Coexisting with this is the demographic weight of a generational turnover concentrated in 2031–33 and a rising vacant-home ratio. Whereas the maglev’s benefit works locally around the prefectural station, demographics work across the whole prefecture—a force on a different map. A strong lifting direction, an opening date that keeps moving, and a demographic weight working across the whole prefecture. For these three, the strength of the direction it is coming from and the uncertainty of “when it comes” differ entirely from indicator to indicator—the Yamanashi discipline is not to round them into a single word of certainty but to read each separately by its own clock. I separate “the direction it is coming from” and “when it comes” as two distinct questions on my table. The schedule, plan, and degree of certainty of each factor can be checked one by one against the development roadmap below. From here, it is the reader’s domain of decision-making.