Saijo: population and official figures
In depth
- Economy, jobs and prices in Saijo: Taxable income for municipal resident tax in Saijo averaged 3.22 million yen per taxpayer in fiscal 2024, 28th lowest of 262 cities and below 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 Saijo: Saijo had 9 general hospitals (hospitals other than psychiatric ones) in 2023, or 8.59 per 100,000 residents, 34th highest of 262 cities, above the national figure (5.60).
- Education in Saijo: Saijo had 25 primary schools with 5,114 pupils and 467 full-time teachers in May 2024.
- Poverty and living standards in Saijo: 32.6% of private households in Saijo were one-person households at the 2020 census (14,709), 83rd lowest of 262 cities, below the national figure (38.0%).
- Government budget and revenue in Saijo: The municipal government of Saijo took in 59.4 billion yen in fiscal 2022 (final accounts), 567,291 yen per resident, 38th highest of 262 cities.
What is the population of Saijo?
Saijo had 104,791 residents at the 1 October 2020 census (city proper). That is 13th lowest of 262 cities. The count includes foreign residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is Saijo and how densely populated is it?
Saijo covers 510.04 square kilometres (2024), of which 159.18 is habitable land. That is 205 people per square kilometre of total area at the 2020 census, 17th lowest of 262 for density.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyIs the population of Saijo growing or shrinking?
The basic resident register recorded 103,413 residents in Saijo in 2024, 1.3% fewer 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 Saijo?
12.3% of residents of Saijo were under 15 (12,925 children) and 53.9% 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 Saijo?
Saijo had 45,193 households at the 2020 census, of which 45,097 were private households; that is about 2.32 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 Saijo?
1,299 foreign nationals lived in Saijo at the 2020 census, 1.2% of residents, below the national figure (1.9%).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many babies are born in Saijo each year?
Saijo recorded 534 births and 1,579 deaths in 2023, a natural decrease of 1,045. That is 5.1 births and 15.1 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 Saijo?
In 2024, 2,492 people moved into Saijo from other municipalities and 2,855 moved out, a net loss of 363 (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 Saijo each year?
Saijo registered 334 marriages and 143 divorces by Japanese nationals in 2023, or 3.2 marriages per 1,000 residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyWho runs Saijo?
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
- Kasuga 111,023
- Hakusan 110,408
- Kamagaya 109,932
- Marugame 109,513
- Sanda 109,238
- Habikino 108,736
- Tondabayashi 108,699
- Mishima 107,783
- Tajimi 106,732
- Kiryu 106,445
- Komatsu 106,216
- Ikeda 104,993
- Toride 104,524
- Chikushino 103,311
- Inzai 102,609
- Onojo 102,085
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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