Nara奈良県
Kawai 河合町
Data last updated:
Kawai, Nara, Japan has a population of 15,691 (2025 national census). IPSS projections estimate 14,731 by 2030 and 9,854 by 2050 (a decrease of about 42.1% from 2020), with the share of residents aged 65+ rising from 38.8% in 2020 to 51.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
15,691
2030
(Projection)
14,731
▼ -13.4%
2040
(Projection)
12,126
▼ -28.7%
2050
(Projection)
9,854
▼ -42.1%
Change vs. 2020 census
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Other municipalities in Nara (奈良県)
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.
Kawai 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 | 15,793 | ▼ -7.2% | Census |
| 1985 | 18,105 | ▲ +6.4% | Census |
| 1990 | 19,408 | ▲ +14.0% | Census |
| 1995 | 19,903 | ▲ +17.0% | Census |
| 2000 | 20,126 | ▲ +18.3% | Census |
| 2005 | 19,446 | ▲ +14.3% | Census |
| 2010 | 18,531 | ▲ +8.9% | Census |
| 2015 | 17,941 | ▲ +5.4% | Census |
| 2020 | 17,018 | — | Census |
| 2025 | 15,691 | ▼ -7.8% | Census |
| 2030 | 14,731 | ▼ -13.4% | Projection |
| 2035 | 13,418 | ▼ -21.2% | Projection |
| 2040 | 12,126 | ▼ -28.7% | Projection |
| 2045 | 10,928 | ▼ -35.8% | Projection |
| 2050 | 9,854 | ▼ -42.1% | Projection |
About Kawai
Overview
Kawai (河合町) is a municipality in Nara, Japan, with a population of 15,691 as of 2025.
Population Projection of Kawai
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kawai's population is expected to reach 14,731 by 2030 (-13.4%), 12,126 by 2040 (-28.7%), and 9,854 by 2050 (-42.1%). A significant population decline is projected over the next three decades.
Aging Rate of Kawai
The aging rate (percentage of residents aged 65 and over) is 38.8% as of 2020 and is projected to rise to 51.7% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Kawai is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #651 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #447 out of 1903 nationwide.
- Population size: Ranked #1170 out of 1917 nationwide.
- Related: National rankings / All municipalities in Nara
Earnings in Nara (奈良県): Average salary in Nara (奈良県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure