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Chiba: population and official figures

Population (2020 census)
974,951
2020

In depth

What is the population of Chiba?

Chiba had 974,951 residents at the 1 October 2020 census (city proper). That is 13th highest of 262 cities. The count includes foreign residents.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How big is Chiba and how densely populated is it?

Chiba covers 271.76 square kilometres (2024), of which 215.40 is habitable land. That is 3,588 people per square kilometre of total area at the 2020 census, 74th highest of 262 for density.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

Is the population of Chiba growing or shrinking?

The basic resident register recorded 983,896 residents in Chiba in 2024, 0.9% more than the 2020 census count (all municipalities together: -1.4%). The register and the census are counted differently, so the change is indicative.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

What share of the population of Chiba is over 65?

25.6% of the residents of Chiba were aged 65 or over at the 2020 census (249,963 people), 71st youngest of 262 cities, below the national figure (28.0%).

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How many children live in Chiba?

11.4% of residents of Chiba were under 15 (110,929 children) and 58.5% were aged 15 to 64 at the 2020 census; nationally the shares were 11.9% and 57.8%.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How many households are there in Chiba?

Chiba had 447,982 households at the 2020 census, of which 445,814 were private households; that is about 2.18 residents per household (residents divided by all households).

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How many foreigners live in Chiba?

23,142 foreign nationals lived in Chiba at the 2020 census, 2.4% of residents, above the national figure (1.9%).

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How many babies are born in Chiba each year?

Chiba recorded 5,570 births and 10,952 deaths in 2023, a natural decrease of 5,382. That is 5.7 births and 11.2 deaths per 1,000 residents (national: 5.8 and 12.5). Births are by Japanese nationals registered in the city.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

Are more people moving into or out of Chiba?

In 2024, 56,397 people moved into Chiba from other municipalities and 47,998 moved out, a net gain of 8,399 (moves within the city and from abroad are not counted).

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

How many marriages are there in Chiba each year?

Chiba registered 3,772 marriages and 1,420 divorces by Japanese nationals in 2023, or 3.9 marriages per 1,000 residents.

Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copy

Notes from the UN table: Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Land areas are based on the "Municipalities Area Statistics of Japan, 2015" published by the Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport and Tourism.

Who runs Chiba?

In Japan, cities and towns are run by municipalities: Mayor and municipal assembly both directly elected for four years. Primary and lower secondary schools, welfare, waste, water, residents' registers, disaster response. Large 'designated cities' (20) take on prefectural tasks and are divided into administrative wards whose heads are officials, not elected.

How local power works in Japan

Cities of a similar size in Japan

Up a level: all cities in Japan · Japan · government and power

Sources

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