柏市

柏市 is a city in Japan. Annual PM2.5 was 8.8 µg/m³ in March 2024. The city covers 114.7 km², with a population density of 3,814.1 people per km² in 2024. In 2024, the foreign population was 13,386.

JSON Markdown
Foreign residents13,386 peoplecity · Verified 2026-07-15Official source · Exact e-Stat municipality row A2201: 住民基本台帳人口(外国人).
Population435,529 peoplemunicipality · Verified 2026-07-12Official source · Japan e-Stat municipality official denominator
Unemployment rate3.5921 %city · Verified 2026-07-26Official source · e-Stat 2020 Population Census — F. Labour, municipalities
PM2.5 — annual mean8.8 µg/m³city · Verified 2026-07-26Official source · MOE Japan Air Pollution Monitoring Report FY2023 — 柏市
City area114.74 km2city · Verified 2026-07-15Official source · Exact e-Stat municipality row B1101: 総面積(北方地域及び竹島を除く), converted from ha to km2.
Physicians per 100,000 residents280.1 per 100kcity · Verified 2026-07-15Official source · Exact e-Stat municipality row I6100 (医師数), derived with the exact same-JIS e-Stat A2301 total resident population row. No prefecture or parent-area value is used.
Every value keeps its source, geographic scope and verification date · Last checked 2026-07-26

Who 柏市 may suit

Relative profile scores use comparable published values. They are a decision aid, not a personal recommendation.

Try your profile
Remote worker56%strong on work, weak on safety · range 42–70% from published values
Skilled employee56%strong on work, weak on safety · range 42–70% from published values
Student51%strong on education, weak on work · range 37–65% from published values
Family57%strong on family, weak on cost · range 43–71% from published values
Retirement57%strong on healthcare, weak on admin · range 43–71% from published values

Population and city profile

Who lives hereResidents by nationality, % of population
柏市 residents by nationalityBy nationalityNational passport96.9%Foreign residents 3.1%

Derived from the published population and foreign-resident counts.

MetricValueVerifiedSource
City area114.74 km22026-07-152024Official sourceExact e-Stat municipality row B1101: 総面積(北方地域及び竹島を除く), converted from ha to km2. Source-backed value
Foreign residents13,386 people2026-07-152024Official sourceExact e-Stat municipality row A2201: 住民基本台帳人口(外国人). Source-backed value
Population density3,814.1 people/km²2026-07-152024Official sourceExact e-Stat municipality row B1101: 総面積(北方地域及び竹島を除く), converted from ha to km2. Source-backed value
Population435,529 people2026-07-122024Official sourceJapan e-Stat municipality official denominator Source-backed value

Work and income

The unemployment rate was 3.59% in October 2020.

Unemployment across cities in JapanWhere 柏市 lands among 1608 measured cities
unemployment rate, % · measured cities in Japan per band10–1131–22072–37283–4柏市 3.6%4994–51085–6336–7107–838–969–10unemployment rate, % · measured cities in Japan per band

Published unemployment rates for cities in the same country.

MetricValueVerifiedSource
Unemployment rate3.5921 %country median 3.8% — 5% below2026-07-262020Official sourcee-Stat 2020 Population Census — F. Labour, municipalities Source-backed value

Climate and air quality

Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
柏市 annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit5258.8PM2.5µg/m³

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in JapanWhere 柏市 lands among 599 measured cities
annual PM2.5, µg/m³ · measured cities in Japan per band64–5225–6636–71357–81588–9柏市 8.81319–105410–112111–12712–13213–14annual PM2.5, µg/m³ · measured cities in Japan per band

Published annual means from the same national measurement network.

MetricValueVerifiedSource
PM2.5 — annual mean8.8 µg/m³country median 8.4 — 4% above2026-07-262024Official sourceMOE Japan Air Pollution Monitoring Report FY2023 — 柏市 Source-backed value

Healthcare

There were 280.1 physicians per 100,000 residents in 2022.

MetricValueVerifiedSource
Physicians per 100,000 residents280.1 per 100k2026-07-152022Official sourceExact e-Stat municipality row I6100 (医師数), derived with the exact same-JIS e-Stat A2301 total resident population row. No prefecture or parent-area value is used. Source-backed value

Worked out from these numbers

Arithmetic on the published values above. Each one names what it assumed.

How international is the population?

3.1% of residents hold a foreign nationality — 13,386 people of 435,529 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.

Common questions

Answered from the published values on this page, each with its source and date.

What is the unemployment rate in 柏市?

The unemployment rate is 3.5921 %. Source: e-Stat 2020 Population Census — F. Labour, municipalities, checked 2026-07-26.

Is the air quality good in 柏市?

The annual PM2.5 mean is 8.8 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: MOE Japan Air Pollution Monitoring Report FY2023 — 柏市, checked 2026-07-26.

How many people live in 柏市?

The published population is 435,529 people. Source: Japan e-Stat municipality official denominator, checked 2026-07-12.

How many foreign residents live in 柏市?

13,386 people residents hold a foreign nationality. Source: Exact e-Stat municipality row A2201: 住民基本台帳人口(外国人)., checked 2026-07-15.

Cities of a similar size in Japan

Closest published populations, for a like-for-like comparison.

All Japan cities

Sources

Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.