Yachiyo: population and official figures
In depth
- Economy, jobs and prices in Yachiyo: Taxable income for municipal resident tax in Yachiyo averaged 4.02 million yen per taxpayer in fiscal 2024, 53rd highest of 262 cities and above the national average of 3,933.7 thousand yen per taxpayer. It is income before deductions, so it is not take-home pay.
- Health in Yachiyo: Yachiyo had 6 general hospitals (hospitals other than psychiatric ones) in 2023, or 3.01 per 100,000 residents, 41st lowest of 262 cities, below the national figure (5.60).
- Education in Yachiyo: Yachiyo had 19 primary schools with 9,792 pupils and 570 full-time teachers in May 2024.
- Poverty and living standards in Yachiyo: 32.3% of private households in Yachiyo were one-person households at the 2020 census (27,493), 74th lowest of 262 cities, below the national figure (38.0%).
- Government budget and revenue in Yachiyo: The municipal government of Yachiyo took in 73.7 billion yen in fiscal 2022 (final accounts), 369,563 yen per resident, 12th lowest of 262 cities.
What is the population of Yachiyo?
Yachiyo had 199,498 residents at the 1 October 2020 census (city proper). That is 112th highest of 262 cities. The count includes foreign residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is Yachiyo and how densely populated is it?
Yachiyo covers 51.39 square kilometres (2024), of which 46.27 is habitable land. That is 3,882 people per square kilometre of total area at the 2020 census, 68th highest of 262 for density.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyIs the population of Yachiyo growing or shrinking?
The basic resident register recorded 206,692 residents in Yachiyo in 2024, 3.6% 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 copyHow many children live in Yachiyo?
12.8% of residents of Yachiyo were under 15 (25,580 children) and 61.5% 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 copyHow many households are there in Yachiyo?
Yachiyo had 85,158 households at the 2020 census, of which 85,032 were private households; that is about 2.34 residents per household (residents divided by all households).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many foreigners live in Yachiyo?
5,367 foreign nationals lived in Yachiyo at the 2020 census, 2.7% of residents, above the national figure (1.9%).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many babies are born in Yachiyo each year?
Yachiyo recorded 1,270 births and 2,250 deaths in 2023, a natural decrease of 980. That is 6.4 births and 11.3 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 copyAre more people moving into or out of Yachiyo?
In 2024, 9,802 people moved into Yachiyo from other municipalities and 8,716 moved out, a net gain of 1,086 (moves within the city and from abroad are not counted).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many marriages are there in Yachiyo each year?
Yachiyo registered 786 marriages and 331 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 copyWho runs Yachiyo?
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
- Kasukabe 229,792
- Neyagawa 229,733
- Ageo 226,940
- Takarazuka 226,432
- Atsugi 223,705
- Hachinohe 223,415
- Ota 223,014
- Kure 214,592
- Isesaki 211,850
- Nishitokyo 207,388
- Matsue 203,616
- Nagareyama 199,849
- Kodaira 198,739
- Itami 198,138
- Higashihiroshima 196,608
- Suzuka 195,670
Up a level: all cities in Japan · Japan · government and power
Sources
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Municipalities 2026 (social and demographic statistics, city, ward, town and village data), read 28 October 2026 · saved copy (SHA-256 2cb3d8c51aa1…)
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Prefectures 2026 (national figures, "All Japan" row), read 28 October 2026 · saved copy (SHA-256 b69774a5f40c…)
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