Tottori鳥取県
Iwami 岩美町
Data last updated:
Iwami, Tottori, Japan has a population of 10,099 (2025 national census). IPSS projections estimate 9,224 by 2030 and 6,168 by 2050 (a decrease of about 42.9% from 2020), with the share of residents aged 65+ rising from 37.5% in 2020 to 49.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
10,099
2030
(Projection)
9,224
▼ -14.6%
2040
(Projection)
7,672
▼ -29.0%
2050
(Projection)
6,168
▼ -42.9%
Change vs. 2020 census
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Other municipalities in Tottori (鳥取県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
Iwami Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 15,969 | ▲ +47.9% | Census |
| 1985 | 15,944 | ▲ +47.6% | Census |
| 1990 | 15,342 | ▲ +42.1% | Census |
| 1995 | 14,713 | ▲ +36.2% | Census |
| 2000 | 14,015 | ▲ +29.8% | Census |
| 2005 | 13,270 | ▲ +22.9% | Census |
| 2010 | 12,362 | ▲ +14.5% | Census |
| 2015 | 11,485 | ▲ +6.4% | Census |
| 2020 | 10,799 | — | Census |
| 2025 | 10,099 | ▼ -6.5% | Census |
| 2030 | 9,224 | ▼ -14.6% | Projection |
| 2035 | 8,439 | ▼ -21.9% | Projection |
| 2040 | 7,672 | ▼ -29.0% | Projection |
| 2045 | 6,908 | ▼ -36.0% | Projection |
| 2050 | 6,168 | ▼ -42.9% | Projection |
About Iwami
Overview
Iwami (岩美町) is a municipality in Tottori, Japan, with a population of 10,099 as of 2025.
Population Projection of Iwami
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Iwami's population is expected to reach 9,224 by 2030 (-14.6%), 7,672 by 2040 (-29.0%), and 6,168 by 2050 (-42.9%). A significant population decline is projected over the next three decades.
Aging Rate of Iwami
The aging rate (percentage of residents aged 65 and over) is 37.5% as of 2020 and is projected to rise to 49.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Iwami is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #609 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #593 out of 1903 nationwide.
- Population size: Ranked #1347 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tottori
Earnings in Tottori (鳥取県): Average salary in Tottori (鳥取県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure