Kamiyama Satellite Office Project — Reversing Rural Depopulation Through Remote Tech Work

Kamiyama is a mountain town of roughly 5,000 residents in Tokushima Prefecture, Japan. From 1999 the local nonprofit Green Valley, led by Shinya Ominami, began renovating the town's empty houses (akiya) and using prefecture-built fibre-optic infrastructure — originally installed for disaster-recovery communications — to host visiting artists and, from 2010, Tokyo-headquartered tech firms.

To reverse decades of rural depopulation by attracting Tokyo-salary, Tokyo-role remote tech jobs into a depopulating mountain town, using existing fibre infrastructure and low-cost renovated housing.

Business-card management company Sansan opened the area's first corporate satellite office in Kamiyama in 2010, followed by others including Engawa Corporation (around 15 employees, opened 2013). In March 2012 Tokushima Prefecture formalised the approach as its 'Tokushima Satellite Office Project' to replicate the model across other depopulating municipalities.

By October 2020, JETRO recorded 72 companies operating satellite offices across 16 municipalities in Tokushima Prefecture, and a FY2019 survey ranked Tokushima second nationally (after Hokkaido) for satellite-office attraction, with 67 companies across 14 municipalities. Euronews reported that 2011 was the first year in decades Kamiyama's population grew rather than shrank, and that by the early 2020s around 70% of children enrolled in the town's nursery came from relocated families.

The scale of the turnaround should not be overstated: Kamiyama's population remains far below its mid-20th-century peak, and the 2011 net gain was small in absolute terms (151 moved in versus 139 who moved out). The model relied on a specific combination of assets — existing disaster-recovery fibre, one committed NPO founder, and low real-estate costs — that is not automatically transferable, though the project is unusual for having predated the post-pandemic remote-work boom by roughly a decade and for having been formally scaled by prefectural government to 16 municipalities.