Shrinking Towns of Japan

Japan is home to thousands of municipalities that have been shrinking continuously since the 1960s economic boom. Understanding which towns are disappearing — and where — is key context for anyone studying urbanization, real estate, or the future of rural societies.

The "marginal villages" phenomenon (限界集落)

A 2006 paper by sociologist Akira Ōno coined the term gengai shūraku — marginal settlements where more than half of residents are aged 65+. By 2050, hundreds of Japanese municipalities are projected to meet this threshold at the whole-town level, not just individual hamlets. This is unprecedented in modern demographic history.

What happens to a town that loses 60% of its population

Schools consolidate and close. Bus routes are cut. Bank branches, hospitals, and supermarkets withdraw. Abandoned houses (akiya) accumulate. Road and water infrastructure built for a larger population becomes prohibitively expensive to maintain per-capita. The town does not vanish overnight, but it transitions into what researchers call a "care-giving economy" dominated by nursing services.

Can shrinking towns reverse course?

A small number of Japanese towns have reversed decline through targeted strategies: artist-in-residence programs (Naoshima), satellite offices (Kamiyama, Tokushima), digital-nomad zones (Higashikawa, Hokkaidō). These remain exceptions. Most projections suggest the bottom decile of Japanese municipalities will have populations under 1,000 by 2060.

Fastest-shrinking municipalities in Japan (2020–2050)

Rank	Municipality	Pop. (2025)	Change 2020–2050
1	Gunma Nanmoku	1,260	▼ -74.8%
2	Kumamoto Kuma	2,263	▼ -73.3%
3	Nara Nosegawa	289	▼ -72.5%
4	Hokkaido Utashinai	2,448	▼ -72.0%
5	Nara Mitsue	1,225	▼ -71.5%
6	Nara Soni	1,142	▼ -70.8%
7	Hokkaido Yuubari	5,610	▼ -70.6%
8	Nara Kurotaki	515	▼ -70.6%
9	Nara Higashiyoshino	1,281	▼ -70.6%
10	Aomori Imabetsu	1,888	▼ -70.4%
11	Gunma Kanna	1,317	▼ -69.7%
12	Nagano Tenryuu	965	▼ -69.1%
13	Hokkaido Matsumae	5,260	▼ -69.0%
14	Mie Minamiise	9,206	▼ -68.8%
15	Kochi Ootoyo	2,762	▼ -68.8%
16	Nara Yoshino	5,221	▼ -68.7%
17	Hokkaido Kamisunagawa	2,319	▼ -68.5%
18	Kyoto Kasagi	953	▼ -67.9%
19	Kochi Muroto	9,634	▼ -67.8%
20	Oita Himeshima	1,503	▼ -67.7%
21	Aomori Sotogahama	4,510	▼ -67.6%
22	Hokkaido Kikonai	3,255	▼ -66.2%
23	Aomori Sai	1,467	▼ -66.1%
24	Hokkaido Fukushima	3,182	▼ -65.9%
25	Gunma Shimonita	5,492	▼ -65.5%
26	Nara Shimoichi	4,110	▼ -65.5%
27	Aomori Fukaura	6,259	▼ -65.3%
28	Tokushima Naka	6,273	▼ -65.0%
29	Yamanashi Minobu	8,910	▼ -64.6%
30	Hokkaido Ashibetsu	10,581	▼ -64.2%
31	Nara Kamikitayama	375	▼ -64.0%
32	Fukushima Mishima	1,215	▼ -63.6%
33	Aomori Nakadomari	8,154	▼ -63.4%
34	Hokkaido Moseushi	2,332	▼ -63.3%
35	Akita Fujisato	2,526	▼ -63.3%
36	Akita Kamikoani	1,703	▼ -63.2%
37	Tokushima Mugi	3,125	▼ -63.1%
38	Hokkaido Kamoenai	802	▼ -62.6%
39	Hokkaido Akabira	8,261	▼ -62.4%
40	Akita Oga	21,566	▼ -62.4%
41	Kyoto Wazuka	2,968	▼ -62.4%
42	Nara Kawakami	969	▼ -62.4%
43	Kochi Niyodogawa	4,010	▼ -62.3%
44	Iwate Nishiwaga	4,355	▼ -62.2%
45	Hokkaido Kaminokuni	3,656	▼ -61.9%
46	Aomori Shingou	1,849	▼ -61.9%
47	Tottori Wakasa	2,338	▼ -61.9%
48	Hokkaido Otobe	2,937	▼ -61.8%
49	Hokkaido Kamikawa	3,165	▼ -61.8%
50	Niigata Aga	8,338	▼ -61.8%

By prefecture

Source: National Institute of Population and Social Security Research (IPSS), "Regional Population Projections for Japan (2023 revision)", and Japan's Statistics Bureau (e-Stat) national census data.