What this article shows

Saitama City had a population of about 1.324 million in 2020, net migration of +7,631 in 2023, and average annual income of about ¥10.36 million for households with two or more members. This article standardizes the earlier daytime/nighttime, employment, and financial-asset figures using official data and looks at the city through the combination of Urawa's residential appeal and Omiya's business functions.

Population and households (2020 Population Census)

IndicatorValue
Total population1,324,025
Total households582,475
Aging rate23.0%
One-person household share36.2%
Daytime/nighttime population ratio92.9%
Projected population in 20451,361,675
Total population About 1.324 million 2020
Net migration +7,631 2023
Household income About ¥10.36 million Average for households with 2+ members

Employment (2020 Population Census)

IndicatorValue
Labor force615,596
Employed persons593,727
Unemployed persons21,869
Employees506,390
Regular employees338,617 (66.9%)
Dispatched + part-time etc.167,773 (33.1%)
Net migration (2023)+7,631

Wages (2023 Basic Survey on Wage Structure, Saitama Prefecture)

Age groupTotal (¥1,000)Men (¥1,000)Women (¥1,000)
All ages347.3378.4298.7
20–24244.9247.8241.4
30–34319.6350.2273.1
40–44382.4421.1302.4
50–54409.8456.7309.2

Household income and assets (2019 National Survey of Family Income, Consumption and Wealth)

IndicatorValue
Average annual income, households with 2+ members¥10.364 million
Average financial assets¥20.089 million
Financial assets, 40s¥7.727 million
Financial assets, 50s¥25.812 million
Financial assets, 60s¥35.917 million

Taxable income (2023)

IndicatorValue
Taxable income per taxpayer¥4.07 million
Rank among 6 major Kanto cities4th

High household income and net in-migration coexist with dependence on Tokyo commuting

Taxable income of ¥4.07 million ranks fourth among the six cities, while household income of about ¥10.36 million ranks third. The population is projected at about 1.362 million in 2045 and is expected to remain broadly stable even after a peak around 2035.

A daytime/nighttime ratio of 92.9% shows substantial out-commuting, but a regular-employment share of 66.9% and a large tertiary sector also show that the prefectural capital has a significant employment base of its own. Average financial assets are about ¥20.09 million, although age-specific values fluctuate sharply.

Urawa's Tokyo commuters and Omiya's transport and business functions form two pillars

Reading the regional background

Urawa Ward and Minami Ward combine Tokyo access with established education-oriented residential areas. Omiya Ward is a Shinkansen and conventional-rail hub and a center for retail, corporate branches, and healthcare. The city attracts families moving outward as Tokyo housing costs rise while still offering employment within the city, helping to support net in-migration.

Saitama City's defining feature is not one standout indicator but a balance among income, population, business functions, and its role as a residential city. Aging is still progressing in established suburban neighborhoods, so citywide growth alone does not capture local differences.

How to read these figures

Important notes

Asset statistics are averages and do not directly show medians or the distribution of assets. They cover households with two or more members, and non-financial assets such as real estate may not be included.

The article is organized primarily around published statistical figures. Numerical values directly observable in the statistical tables should be distinguished from interpretations of background factors.

Summary: Saitama City combines Urawa residential strength with Omiya employment

Key takeaway

Saitama City combines a Tokyo-commuting residential base with the business functions of a prefectural capital, supporting stable household income, in-migration, and future population. The next challenge is extending the strength of Urawa and Omiya to the renewal of established residential districts elsewhere in the city.

  • Population: about 1.324 million
  • Net migration: +7,631
  • Household income: about ¥10.36 million
  • Regular employment: 66.9%; daytime/nighttime ratio: 92.9%

Source: Published statistics listed in the Analysis notes at the end of this article


📊 Analysis notes

This article is based on the following statistical data.

  • Statistics used:

- Statistics Bureau of Japan, Social and Demographic Statistics System (Labour) (Table ID: 0000020106, view on e-Stat)
- Statistics Bureau of Japan, Social and Demographic Statistics System (Population and Households) (Table ID: 0000020101, view on e-Stat)
- Statistics Bureau of Japan, Social and Demographic Statistics System (Economic Base / Taxable Income) (Table ID: 0000020103, view on e-Stat)

  • Area: Saitama City
  • Data retrieved: June 6, 2026
  • Notes: The article is organized primarily around figures from published statistics. Because asset distributions, household differences, and other factors outside the article also matter, numerical values directly observable in the statistical tables should be distinguished from interpretation.

Chart and table values have been independently aggregated and visualized from the statistical data above.

Table values have been organized from the statistical data above.