Chiba千葉県
Wakaba 千葉市若葉区
Data last updated:
Wakaba, Chiba, Japan has a population of 145,508 (2025 national census). IPSS projections estimate 140,038 by 2030 and 123,954 by 2050 (a decrease of about 15.6% from 2020), with the share of residents aged 65+ rising from 31.6% in 2020 to 40.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
145,508
2030
(Projection)
140,038
▼ -4.7%
2040
(Projection)
131,496
▼ -10.5%
2050
(Projection)
123,954
▼ -15.6%
Change vs. 2020 census
Enter your age
See the population of 千葉市若葉区 when you turn 50, 60, 70 and 80.
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.
Wakaba Population Table (1995–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1995 | 149,263 | ▲ +1.6% | Census |
| 2000 | 151,351 | ▲ +3.0% | Census |
| 2005 | 149,898 | ▲ +2.0% | Census |
| 2010 | 151,585 | ▲ +3.2% | Census |
| 2015 | 151,078 | ▲ +2.8% | Census |
| 2020 | 146,940 | — | Census |
| 2025 | 145,508 | ▼ -1.0% | Census |
| 2030 | 140,038 | ▼ -4.7% | Projection |
| 2035 | 135,767 | ▼ -7.6% | Projection |
| 2040 | 131,496 | ▼ -10.5% | Projection |
| 2045 | 127,505 | ▼ -13.2% | Projection |
| 2050 | 123,954 | ▼ -15.6% | Projection |
About Wakaba
Overview
Wakaba (千葉市若葉区) is a municipality in Chiba, Japan, with a population of 145,508 as of 2025.
Population Projection of Wakaba
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Wakaba's population is expected to reach 140,038 by 2030 (-4.7%), 131,496 by 2040 (-10.5%), and 123,954 by 2050 (-15.6%). A modest population change is expected.
Aging Rate of Wakaba
The aging rate (percentage of residents aged 65 and over) is 31.6% as of 2020 and is projected to rise to 40.2% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Wakaba's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1465 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1236 out of 1903 nationwide.
- Population size: Ranked #274 out of 1917 nationwide.
- Related: National rankings / All municipalities in Chiba
Earnings in Chiba (千葉県): Average salary in Chiba (千葉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure