일본 인구 감소 시뮬레이터

Chiba千葉県

Katsuura 勝浦市

Data last updated:

Katsuura, Chiba, Japan has a population of 16,938 (2020 national census). IPSS projections estimate 13,868 by 2030 and 8,815 by 2050 (a decrease of about 48.0% from 2020), with the share of residents aged 65+ rising from 43.1% to 54.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

16,938명

2030년

(추계)

13,868명

▼ -18.1%

2040년

(추계)

11,181명

▼ -34.0%

2050년

(추계)

8,815명

▼ -48.0%

고령화율（65세 이상）: 2020년 43.1%→2050년 54.1%

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데이터 출처

  • 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
  • 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」

※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.

Katsuura Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202016,938—Census
202515,238▼ -10.0%Projection
203013,868▼ -18.1%Projection
203512,481▼ -26.3%Projection
204011,181▼ -34.0%Projection
20459,924▼ -41.4%Projection
20508,815▼ -48.0%Projection

About Katsuura

Overview

Katsuura (勝浦市) is a municipality in Chiba, Japan, with a population of 16,938 as of 2020.

Population Projection of Katsuura

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Katsuura's population is expected to reach 13,868 by 2030 (-18.1%), 11,181 by 2040 (-34.0%), and 8,815 by 2050 (-48.0%). A significant population decline is projected over the next three decades.

Aging Rate of Katsuura

The aging rate (percentage of residents aged 65 and over) is 43.1% as of 2020 and is projected to rise to 54.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #410 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #316 out of 1916 nationwide.
  • Population size: Ranked #1166 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Chiba

Frequently Asked Questions

Q.What is the current population of Katsuura, Chiba?
A.According to the 2020 national census, Katsuura has a population of 16,938.
Q.What is the population of Katsuura in 2026?
A.Katsuura's population in 2026 is estimated at approximately 14,964. This is an interpolated reference value between the 2020 census (16,938) and the IPSS projection for 2030 (13,868).
Q.What is the projected population of Katsuura in the future?
A.According to IPSS projections, Katsuura's population is expected to be 13,868 in 2030, 11,181 in 2040, and 8,815 in 2050.
Q.What is the population decline rate of Katsuura?
A.Over the 30 years from 2020 to 2050, Katsuura's population is projected to change by -48.0%. The 10-year change is -18.1% and the 20-year change is -34.0%.
Q.Why is the population of Katsuura 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 Katsuura, the share of residents aged 65+ is projected to rise from 43.1% to 54.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Katsuura?
A.Katsuura's aging rate (percentage aged 65 and over) is 43.1% as of 2020, projected to rise to 54.1% 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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