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Oita: population, jobs, income, health, schools, welfare and budgets

Oita is a prefecture of Japan, number 34 of 47 by population. Oita had 1,085,000 residents on 1 October 2024 according to the Statistics Bureau population estimate, 14th least populous of 47 prefectures and 0.88% of Japan's 123,802,000 people.

Population (1 Oct 2024 estimate)
1,085,000
2024

In depth

What is the population density of Oita?

The population density of Oita was 171.1 people per square kilometre in 2024, 15th least dense of 47 prefectures.

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

How urban is Oita?

The share of residents living in densely inhabited districts (urban areas) in Oita was 48.7% in 2020, 22nd highest of 47 prefectures.

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

What share of people in Oita are aged 65 or over?

The share of the population aged 65 or over in Oita was 34.4% in 2024, 12th highest of 47 prefectures.

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

What share of the population of Oita is under 15?

The share of the population under 15 in Oita was 11.4% in 2024, tied for 16th highest of 47 prefectures.

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

Is the population of Oita growing or shrinking?

The population change over the year to 1 October (the sum of births, deaths and moves) of Oita was -1.00% in 2024, tied for 16th fastest fall of 47 prefectures.

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

What is the birth rate in Oita?

The total fertility rate of Oita was 1.39 children per woman in 2023, 12th highest of 47 prefectures.

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

How many people live in the average household in Oita?

The average household size in Oita was 2.22 people in 2020, 13th lowest of 47 prefectures.

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

How many people live alone in Oita?

The share of households made up of one person living alone in Oita was 36.0% in 2020, tied for 16th highest of 47 prefectures.

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

How many foreigners live in Oita?

The number of foreign residents per 100,000 people in Oita was 905 in 2020, 20th lowest of 47 prefectures.

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

How prefectures are governed in Japan

Prefectures (47: 1 to, 1 do, 2 fu, 43 ken). Governor (chiji) and prefectural assembly both directly elected for four years. Police, upper secondary schools, regional planning, hospitals, support to municipalities.

Every tier of government in Japan

Other prefectures of Japan

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Sources

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