Neyagawa
Neyagawa's 223,033 residents are being pulled toward a 56,000-rider station hub as the city cuts legacy floor space and concentrates services to absorb ¥190 billion of infrastructure stress.
Neyagawa has 223,033 residents, yet its survival plan looks less like suburban expansion than fiscal surgery.
Officially, Neyagawa is a secondary city in Osaka Prefecture, nine metres above sea level on the Keihan corridor east of Osaka. It reads on paper like a standard commuter municipality. The city hall's own documents tell a harder story: a postwar boom suburb trying to keep services intact after the growth engine that built it has aged.
That boom was extreme. Neyagawa says its population rose from about 50,000 in 1960 to more than 250,000 fifteen years later, at one point the fastest growth in Japan. The same cohort is now moving together into old age. In its 2025 policy statement the city says it faces two linked crises: shrinking tax capacity as the silver-generation share rises, and a wave of public facilities and infrastructure all nearing replacement at once. Its answer is arithmetic, not nostalgia. The mayor says roughly ¥190 billion must be financed or compressed over the next 20 years, and the city now tracks a "downsizing stock" of floor area it has removed or retired so those savings can be reused elsewhere.
The hidden mechanism is concentration. Rather than preserving every legacy site, Neyagawa is pulling high-frequency services toward station nodes under its terminalization plan. The city labels Neyagawa-shi Station the "administrative capital." The station district already handles about 56,000 passengers a day, but planners say too few people linger there, so they are rebuilding it as a service-and-stay hub: the central library opened in 2021, the Service Gate opened in 2025, a child-focused library is scheduled for 2026, and the city wants deck and underpass traffic to rise from 3,514 to 5,271 people a day while annual station-square events climb from 34 to 54.
The mechanism is autophagy in service of resource allocation and homeostasis. Neyagawa is deliberately digesting older civic tissue so scarce money and foot traffic can keep the whole organism functioning. The closest biological analogue is slime mold: when resources tighten, dispersed cells aggregate into a denser structure instead of pretending every patch of ground can stay equally alive.
Neyagawa openly tracks its retired public floor area as "downsizing stock" so the savings can be redirected into a smaller, denser civic network.