Japan Population Decline Simulator

Oita大分県

Kokonoe 九重町

Data last updated:

2020

(Census)

8,548

2030

(Projection)

6,867

-19.7%

2040

(Projection)

5,417

-36.6%

2050

(Projection)

4,159

-51.3%

Elderly Rate (65+): 2020 45.2%2050 53.3%

Other municipalities in Oita (大分県)

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 Kokonoe

Overview

Kokonoe (九重町) is a municipality in Oita, Japan, with a population of 8,548 as of 2020.

Population Projection

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kokonoe's population is expected to reach 6,867 by 2030 (-19.7%), 5,417 by 2040 (-36.6%), and 4,159 by 2050 (-51.3%). The town is projected to lose more than half its population over 30 years.

Aging Outlook

The aging rate (percentage of residents aged 65 and over) is 45.2% as of 2020 and is projected to rise to 53.3% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

Frequently Asked Questions

Q.What is the current population of Kokonoe, Oita?
A.According to the 2020 national census, Kokonoe has a population of 8,548.
Q.What is the projected population of Kokonoe in the future?
A.According to IPSS projections, Kokonoe's population is expected to be 6,867 in 2030, 5,417 in 2040, and 4,159 in 2050.
Q.What is the population decline rate of Kokonoe?
A.Over the 30 years from 2020 to 2050, Kokonoe's population is projected to change by -51.3%. The 10-year change is -19.7% and the 20-year change is -36.6%.
Q.What is the aging rate of Kokonoe?
A.Kokonoe's aging rate (percentage aged 65 and over) is 45.2% as of 2020, projected to rise to 53.3% 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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