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.	30y Change
1	Gunma Nanmoku	1,612	▼ -74.8%
2	Kumamoto Kuma	2,438	▼ -73.3%
3	Nara Nosegawa	358	▼ -72.6%
4	Hokkaido Utashinai	2,989	▼ -72.0%
5	Nara Mitsue	1,480	▼ -71.5%
6	Nara Soni	1,294	▼ -70.8%
7	Nara Kurotaki	626	▼ -70.8%
8	Hokkaido Yuubari	7,341	▼ -70.7%
9	Nara Higashiyoshino	1,502	▼ -70.6%
10	Aomori Imabetsu	2,335	▼ -70.4%
11	Gunma Kanna	1,645	▼ -69.7%
12	Hokkaido Matsumae	6,260	▼ -69.0%
13	Nagano Tenryuu	1,175	▼ -69.0%
14	Mie Minamiise	10,979	▼ -68.8%
15	Kochi Ootoyo	3,256	▼ -68.8%
16	Nara Yoshino	6,232	▼ -68.7%
17	Hokkaido Kamisunagawa	2,847	▼ -68.6%
18	Kyoto Kasagi	1,142	▼ -67.9%
19	Kochi Muroto	11,744	▼ -67.8%
20	Aomori Sotogahama	5,410	▼ -67.7%
21	Oita Himeshima	1,726	▼ -67.7%
22	Hokkaido Kikonai	3,836	▼ -66.2%
23	Aomori Sai	1,788	▼ -66.1%
24	Hokkaido Fukushima	3,794	▼ -65.9%
25	Gunma Shimonita	6,583	▼ -65.5%
26	Nara Shimoichi	5,042	▼ -65.5%
27	Aomori Fukaura	7,346	▼ -65.3%
28	Tokushima Naka	7,370	▼ -65.1%
29	Yamanashi Minobu	10,655	▼ -64.5%
30	Hokkaido Ashibetsu	12,578	▼ -64.2%
31	Nara Kamikitayama	446	▼ -64.1%
32	Fukushima Mishima	1,457	▼ -63.8%
33	Hokkaido Moseushi	2,696	▼ -63.4%
34	Aomori Nakadomari	9,663	▼ -63.4%
35	Akita Kamikoani	2,069	▼ -63.3%
36	Akita Fujisato	2,898	▼ -63.3%
37	Tokushima Mugi	3,747	▼ -63.1%
38	Hokkaido Kamoenai	870	▼ -62.6%
39	Hokkaido Akabira	9,707	▼ -62.5%
40	Kyoto Wazuka	3,483	▼ -62.5%
41	Nara Kawakami	1,159	▼ -62.5%
42	Akita Oga	25,175	▼ -62.4%
43	Kochi Niyodogawa	4,824	▼ -62.3%
44	Iwate Nishiwaga	5,137	▼ -62.2%
45	Hokkaido Kaminokuni	4,308	▼ -62.0%
46	Nagano Sakae	1,667	▼ -62.0%
47	Aomori Shingou	2,197	▼ -61.9%
48	Niigata Aga	9,970	▼ -61.9%
49	Tottori Wakasa	2,868	▼ -61.9%
50	Hokkaido Otobe	3,406	▼ -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.