Ishikawa石川県
Nanao 七尾市
Data last updated:
Nanao, Ishikawa, Japan has a population of 44,191 (2025 national census). IPSS projections estimate 42,242 by 2030 and 27,443 by 2050 (a decrease of about 45.4% from 2020), with the share of residents aged 65+ rising from 38.7% in 2020 to 49.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
44,191
2030Projection
42,242
▼ -16.0%
2040Projection
34,562
▼ -31.3%
2050Projection
27,443
▼ -45.4%
Change vs. 2020 census
Enter your age
See the population of 七尾市 when you turn 50, 60, 70 and 80.
Other municipalities in Ishikawa (石川県)
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.
Nanao 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 | 69,945 | ▲ +39.1% | Census |
| 1985 | 69,915 | ▲ +39.0% | Census |
| 1990 | 68,692 | ▲ +36.6% | Census |
| 1995 | 67,368 | ▲ +33.9% | Census |
| 2000 | 63,963 | ▲ +27.2% | Census |
| 2005 | 61,871 | ▲ +23.0% | Census |
| 2010 | 57,900 | ▲ +15.1% | Census |
| 2015 | 55,325 | ▲ +10.0% | Census |
| 2020 | 50,300 | — | Census |
| 2025 | 44,191 | ▼ -12.1% | Census |
| 2030 | 42,242 | ▼ -16.0% | Projection |
| 2035 | 38,370 | ▼ -23.7% | Projection |
| 2040 | 34,562 | ▼ -31.3% | Projection |
| 2045 | 30,863 | ▼ -38.6% | Projection |
| 2050 | 27,443 | ▼ -45.4% | Projection |
About Nanao
Overview
Nanao (七尾市) is a municipality in Ishikawa, Japan, with a population of 44,191 as of 2025.
Population Projection of Nanao
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nanao's population is expected to reach 42,242 by 2030 (-16.0%), 34,562 by 2040 (-31.3%), and 27,443 by 2050 (-45.4%). A significant population decline is projected over the next three decades.
Aging Rate of Nanao
The aging rate (percentage of residents aged 65 and over) is 38.7% as of 2020 and is projected to rise to 49.7% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Nanao is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #514 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #583 out of 1903 nationwide.
- Population size: Ranked #733 out of 1917 nationwide.
- Related: National rankings / All municipalities in Ishikawa
Earnings in Ishikawa (石川県): Average salary in Ishikawa (石川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure