Two-or-more-person households in Chiba City have average annual income of about ¥9.87 million, but the published figure for households in their 50s stands out at about ¥18.48 million. Makuhari New City, commuting to Tokyo, and employment in the Keiyo coastal area may help support relatively high household incomes, but sampling variation in age-specific city data also needs to be considered.
Annual income of two-or-more-person households in Chiba City by age of household head (2019)
| Age of household head | Annual income (¥1,000) | Approx. ¥ million |
|---|---|---|
| Average, all ages | 9,871 | About ¥9.87m |
| 50–59 | 18,480 | About ¥18.48m |
| 60–69 | 10,597 | About ¥10.60m |
| 70–79 | 6,294 | About ¥6.29m |
Figures for ages 30–49 were not published, for reasons including insufficient sample size.
The figures swing from ¥18.48 million in the 50s to ¥6.29 million in the 70s
Annual income is ¥18.480 million for ages 50–59, ¥10.597 million for 60–69, and ¥6.294 million for 70–79. The difference between the 50s and 70s exceeds ¥12 million, an unusually large swing for an age-income curve.
The citywide average of ¥9.871 million is useful for broad city comparisons, but the single figure for the 50s may have been influenced by high-income households or one-off income. It is important not to generalize that "households in their 50s in Chiba City average ¥18.48 million" as a typical household experience.
Makuhari, Tokyo commuting, and coastal industry support income, but age-specific figures are still sensitive to the sample
Makuhari New City in Mihama Ward has concentrations of corporate and administrative functions. Chiba City also includes households that commute to central Tokyo via the Sobu and Keiyo lines and households working in manufacturing and energy-related industries in the Keiyo coastal area. As Chiba Prefecture's administrative and business center, the city has many middle- and higher-income households.
However, high-income structures elsewhere in Chiba Prefecture, such as Urayasu or Narita, cannot simply be used to explain Chiba City. City-by-age survey estimates are based on limited samples, so local economic background should be used only as context for the relatively high average, not as an overconfident causal explanation for an unusually high single age-group value.
How to read these figures
These statistics cover annual income for two-or-more-person households. Single-person households are excluded, and annual income may include business income, pensions, dividends, retirement payments, and other sources in addition to wages. This is therefore a measure of total household income, not working-age salaries alone.
Because some age groups are not published, it is not possible to observe a continuous progression from households in their 30s and 40s through the 70s in Chiba City. The high figure for ages 50–59 should first be treated as a published reference value rather than used for a strict, simple comparison with other cities.
Summary: Chiba City's average is high, but the unusually high 50s figure requires caution
The average for two-or-more-person households in Chiba City is about ¥9.87 million, but the published figure of about ¥18.48 million for the 50s is far from neighboring age groups. Makuhari, Tokyo commuting, and coastal industries provide plausible background for relatively high incomes, but sampling variation prevents a firm conclusion about the outlier.
- Overall average: about ¥9.87 million
- 50s: about ¥18.48 million
- 60s: about ¥10.60 million; 70s: about ¥6.29 million
- Treat the unusually high age-group figure as a reference value, not as the typical household
Source: Statistics Bureau of Japan, National Survey of Family Income, Consumption and Wealth (2019)
📊 Analysis notes
- Statistics used: Statistics Bureau of Japan, National Survey of Family Income, Consumption and Wealth (Household Income) (Table ID: 0003426439, view on e-Stat)
- Indicator: Annual income of two-or-more-person households by age group of household head
- Area: Chiba City
- Year: 2019
- Data retrieved: June 6, 2026
- Notes: The article primarily organizes published statistics. Interpretation also involves factors outside the table, including household composition and one-off income, so directly observable figures should be distinguished from interpretation.
Figures in charts and tables were independently compiled and visualized from the statistical data above.