Okayama岡山県
Kita 岡山市北区
Data last updated:
Kita, Okayama, Japan has a population of 310,929 (2025 national census). IPSS projections estimate 312,946 by 2030 and 288,681 by 2050 (a decrease of about 8.2% from 2020), with the share of residents aged 65+ rising from 24.2% in 2020 to 32.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
310,929
2030Projection
312,946
▼ -0.5%
2040Projection
303,389
▼ -3.5%
2050Projection
288,681
▼ -8.2%
Change vs. 2020 census
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Other municipalities in Okayama (岡山県)
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.
Kita Population Table (2010–2050)
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 |
|---|---|---|---|
| 2010 | 302,685 | ▼ -3.8% | Census |
| 2015 | 309,484 | ▼ -1.6% | Census |
| 2020 | 314,523 | — | Census |
| 2025 | 310,929 | ▼ -1.1% | Census |
| 2030 | 312,946 | ▼ -0.5% | Projection |
| 2035 | 309,200 | ▼ -1.7% | Projection |
| 2040 | 303,389 | ▼ -3.5% | Projection |
| 2045 | 296,138 | ▼ -5.8% | Projection |
| 2050 | 288,681 | ▼ -8.2% | Projection |
About Kita
Overview
Kita (岡山市北区) is a municipality in Okayama, Japan, with a population of 310,929 as of 2025.
Population Projection of Kita
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kita's population is expected to reach 312,946 by 2030 (-0.5%), 303,389 by 2040 (-3.5%), and 288,681 by 2050 (-8.2%). A modest population change is expected.
Aging Rate of Kita
The aging rate (percentage of residents aged 65 and over) is 24.2% as of 2020 and is projected to rise to 32.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kita's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1658 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1749 out of 1903 nationwide.
- Population size: Ranked #81 out of 1917 nationwide.
- Related: National rankings / All municipalities in Okayama
Earnings in Okayama (岡山県): Average salary in Okayama (岡山県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure