Chiba千葉県
Nagareyama 流山市
Data last updated:
Nagareyama, Chiba, Japan has a population of 199,960 (2020 national census). IPSS projections estimate 225,466 by 2030 and 241,539 by 2050 (an increase of about 20.8% from 2020), with the share of residents aged 65+ rising from 23.7% to 28.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2020
(Census)
199,960
2030
(Projection)
225,466
▲ +12.8%
2040
(Projection)
236,575
▲ +18.3%
2050
(Projection)
241,539
▲ +20.8%
Other municipalities in Chiba (千葉県)
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.
Nagareyama Population Projection Table (2020–2050)
Population by year, based on the national census and IPSS (2023) projections.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 2020 | 199,960 | — | Census |
| 2025 | 217,368 | ▲ +8.7% | Projection |
| 2030 | 225,466 | ▲ +12.8% | Projection |
| 2035 | 232,030 | ▲ +16.0% | Projection |
| 2040 | 236,575 | ▲ +18.3% | Projection |
| 2045 | 239,504 | ▲ +19.8% | Projection |
| 2050 | 241,539 | ▲ +20.8% | Projection |
About Nagareyama
Overview
Nagareyama (流山市) is a municipality in Chiba, Japan, with a population of 199,960 as of 2020.
Population Projection of Nagareyama
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nagareyama's population is expected to reach 225,466 by 2030 (+12.8%), 236,575 by 2040 (+18.3%), and 241,539 by 2050 (+20.8%). Nagareyama is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Nagareyama
The aging rate (percentage of residents aged 65 and over) is 23.7% as of 2020 and is projected to rise to 28.8% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Nagareyama stands out as one of the few Japanese municipalities with continued population growth.
National and Prefectural Rank
- Population decline rate: Ranked #1915 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #1854 out of 1916 nationwide.
- Population size: Ranked #180 out of 1916 nationwide.
- Related: National rankings / All municipalities in Chiba