Japan Population Decline Simulator

Hyogo兵庫県

Nishi 神戸市西区

Data last updated:

Nishi, Hyogo, Japan has a population of 227,894 (2025 national census). IPSS projections estimate 218,123 by 2030 and 171,586 by 2050 (a decrease of about 28.2% from 2020), with the share of residents aged 65+ rising from 28.4% in 2020 to 45.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

227,894

2030

(Projection)

218,123

▼ -8.7%

2040

(Projection)

196,307

▼ -17.8%

2050

(Projection)

171,586

▼ -28.2%

Change vs. 2020 census

Elderly Rate (65+): 2020 28.4%→2050 45.8%

Enter your age

See the population of 神戸市西区 when you turn 50, 60, 70 and 80.

years old

Other municipalities in Hyogo (兵庫県)

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.

Nishi Population Table (1985–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
1985110,774▼ -53.6%Census
1990158,580▼ -33.6%Census
1995222,163▼ -7.0%Census
2000235,758▼ -1.3%Census
2005243,637▲ +2.0%Census
2010249,298▲ +4.4%Census
2015245,782▲ +2.9%Census
2020238,877—Census
2025227,894▼ -4.6%Census
2030218,123▼ -8.7%Projection
2035207,894▼ -13.0%Projection
2040196,307▼ -17.8%Projection
2045184,015▼ -23.0%Projection
2050171,586▼ -28.2%Projection

About Nishi

Overview

Nishi (神戸市西区) is a municipality in Hyogo, Japan, with a population of 227,894 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 218,123 by 2030 (-8.7%), 196,307 by 2040 (-17.8%), and 171,586 by 2050 (-28.2%). A significant population decline is projected over the next three decades.

Aging Rate of Nishi

The aging rate (percentage of residents aged 65 and over) is 28.4% as of 2020 and is projected to rise to 45.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Nishi's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1113 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #839 out of 1903 nationwide.
  • Population size: Ranked #147 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Hyogo

Earnings in Hyogo (兵庫県): Average salary in Hyogo (兵庫県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Nishi, Hyogo?
A.According to the 2025 national census, Nishi has a population of 227,894.
Q.What is the population of Nishi in 2026?
A.Nishi's population in 2026 is estimated at approximately 225,940. This is an interpolated reference value between the 2025 census (227,894) and the IPSS projection for 2030 (218,123).
Q.What is the projected population of Nishi in the future?
A.According to IPSS projections, Nishi's population is expected to be 218,123 in 2030, 196,307 in 2040, and 171,586 in 2050.
Q.What is the population decline rate of Nishi?
A.Over the 30 years from 2020 to 2050, Nishi's population is projected to change by -28.2%. The 10-year change is -8.7% and the 20-year change is -17.8%.
Q.Why is the population of Nishi declining?
A.Nationwide, Japan's population decline is driven by natural decrease (deaths exceeding births) and, in regional municipalities, by net out-migration of young people to major metropolitan areas. In Nishi, the share of residents aged 65+ is projected to rise from 28.4% to 45.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Nishi?
A.Nishi's aging rate (percentage aged 65 and over) is 28.4% as of 2020, projected to rise to 45.8% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

Similar-Sized Municipalities in Hyogo

Municipalities with Similar Trends

Share this page