Japan Population Decline Simulator

Niigata新潟県

Itoigawa 糸魚川市

Data last updated:

2020

(Census)

40,778

2030

(Projection)

33,577

-17.7%

2040

(Projection)

27,605

-32.3%

2050

(Projection)

22,382

-45.1%

Elderly Rate (65+): 2020 40.1%2050 49.5%

Other municipalities in Niigata (新潟県)

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.

About Itoigawa

Overview

Itoigawa (糸魚川市) is a municipality in Niigata, Japan, with a population of 40,778 as of 2020.

Population Projection

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Itoigawa's population is expected to reach 33,577 by 2030 (-17.7%), 27,605 by 2040 (-32.3%), and 22,382 by 2050 (-45.1%). A significant population decline is projected over the next three decades.

Aging Outlook

The aging rate (percentage of residents aged 65 and over) is 40.1% 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

Itoigawa is experiencing one of the faster rates of population decline in Japan.

Frequently Asked Questions

Q.What is the current population of Itoigawa, Niigata?
A.According to the 2020 national census, Itoigawa has a population of 40,778.
Q.What is the projected population of Itoigawa in the future?
A.According to IPSS projections, Itoigawa's population is expected to be 33,577 in 2030, 27,605 in 2040, and 22,382 in 2050.
Q.What is the population decline rate of Itoigawa?
A.Over the 30 years from 2020 to 2050, Itoigawa's population is projected to change by -45.1%. The 10-year change is -17.7% and the 20-year change is -32.3%.
Q.What is the aging rate of Itoigawa?
A.Itoigawa's aging rate (percentage aged 65 and over) is 40.1% as of 2020, projected to rise to 49.5% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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