Osaka大阪府
Nishi 大阪市西区
Data last updated:
Nishi, Osaka, Japan has a population of 115,345 (2025 national census). IPSS projections estimate 115,589 by 2030 and 117,219 by 2050 (an increase of about 10.7% from 2020), with the share of residents aged 65+ rising from 15.3% in 2020 to 21.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
115,345
2030
(Projection)
115,589
▲ +9.2%
2040
(Projection)
119,220
▲ +12.6%
2050
(Projection)
117,219
▲ +10.7%
Change vs. 2020 census
Enter your age
See the population of 大阪市西区 when you turn 50, 60, 70 and 80.
Other municipalities in Osaka (大阪府)
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.
Nishi 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 | 53,695 | ▼ -49.3% | Census |
| 1985 | 58,157 | ▼ -45.1% | Census |
| 1990 | 59,288 | ▼ -44.0% | Census |
| 1995 | 58,674 | ▼ -44.6% | Census |
| 2000 | 63,402 | ▼ -40.1% | Census |
| 2005 | 72,591 | ▼ -31.4% | Census |
| 2010 | 83,058 | ▼ -21.5% | Census |
| 2015 | 92,430 | ▼ -12.7% | Census |
| 2020 | 105,862 | — | Census |
| 2025 | 115,345 | ▲ +9.0% | Census |
| 2030 | 115,589 | ▲ +9.2% | Projection |
| 2035 | 118,086 | ▲ +11.5% | Projection |
| 2040 | 119,220 | ▲ +12.6% | Projection |
| 2045 | 118,818 | ▲ +12.2% | Projection |
| 2050 | 117,219 | ▲ +10.7% | Projection |
About Nishi
Overview
Nishi (大阪市西区) is a municipality in Osaka, Japan, with a population of 115,345 as of 2025.
Population Projection of Nishi
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nishi's population is expected to reach 115,589 by 2030 (+9.2%), 119,220 by 2040 (+12.6%), and 117,219 by 2050 (+10.7%). Nishi is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Nishi
The aging rate (percentage of residents aged 65 and over) is 15.3% as of 2020 and is projected to rise to 21.1% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Nishi stands out as one of the few Japanese municipalities with continued population growth.
National and Prefectural Rank
- Population decline rate: Ranked #1889 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1900 out of 1903 nationwide.
- Population size: Ranked #353 out of 1917 nationwide.
- Related: National rankings / All municipalities in Osaka
Earnings in Osaka (大阪府): Average salary in Osaka (大阪府) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure