Yachimata, Chiba八街市

Population Trends & Projections · Source: e-Stat (Population Census), IPSS (National Institute of Population and Social Security Research)

2025 Population (Preliminary)

2025 population (prelim.)

64,576

vs 2020

-4.3%

Households (2025)

28,495

Preliminary figures from the 2025 Population Census. May differ from the final tabulation (Basic Tabulation, scheduled Sep 2026). The change rate is based on the 2020 population re-tabulated to 2025 municipal boundaries.

Total population (2020)

67,455

Change by 2050 (vs 2020)

-37.3%

Share aged 65+

31.0%

Akiya (vacancy) rate

14.0%

Private rent (JPY/m²)

889 JPY/m²/month (≈ $5.7 at ¥155/USD, Jun 2026)

Net migration

-1504.0

Investment Attractiveness Score

22 / 100

Relocation Suitability Score

33 / 100

Scores are this site's own 0–100 indices based on the 2020 Census; 2025 figures are shown for reference.

Population Projection (2025–2050)

IPSS projection (令和5年 / 2023). Change vs 2020 Census (67,455).

YearProjectionActual (prelim.)vs 2020
202564,06164,576vs projection +515-5.0%
203060,200-10.8%
203555,943-17.1%
204051,413-23.8%
204546,766-30.7%
205042,276-37.3%

Housing Market (Housing and Land Survey, 2023)

Akiya (vacancy) rate: 14.0% (national avg. 13.8%).

Private rental rent: 889 JPY/m²/month (≈ $5.7 at ¥155/USD, Jun 2026).

This vacancy count includes secondary homes (e.g. vacation homes), so it runs high in resort/tourist areas. See the Statistics Bureau Housing and Land Survey definitions. Average of all units including older buildings; differs from current asking rents.

Nearby municipalities of similar size in Chiba

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