Scheduled monthly wages in Ibaraki Prefecture rise from ¥243,000 for workers aged 20–24 to ¥385,000 for those aged 50–54.
That is an increase of ¥142,000 per month, or about 1.58 times the level for workers in their early 20s.
What these figures show is that Ibaraki is more than simply a prefecture on the outer edge of the Tokyo metropolitan area. It has three major income-generating systems within the prefecture itself: research jobs in Tsukuba Science City, electrical and machinery industries around Hitachi and Hitachinaka, and steel and chemical industries in the Kashima coastal industrial zone.
This article starts with the published statistics and then examines why Ibaraki's wage curve takes this shape, using specific regional and industrial characteristics.
Ibaraki's wage level is supported not by commuting into Tokyo but by research in Tsukuba, electrical and machinery industries around Hitachi, and materials industries in Kashima. The prefecture has well-paid jobs of its own, while a large gender gap remains in the 50s.
Scheduled monthly wages in Ibaraki by age
| Age group | Scheduled monthly wages |
|---|---|
| 20–24 | ¥243,000 |
| 25–29 | ¥281,500 |
| 30–34 | ¥322,900 |
| 35–39 | ¥357,900 |
| 40–44 | ¥367,900 |
| 45–49 | ¥366,400 |
| 50–54 | ¥385,000 |
| 55–59 | ¥380,200 |
| 60–64 | ¥323,200 |
| All ages | ¥340,600 |
Source: Ministry of Health, Labour and Welfare, Basic Survey on Wage Structure (2023), men and women combined, establishments with 10 or more employees, all industries.
The strongest growth comes by the early 30s, with a peak in the early 50s
Wages rise by ¥38,500 per month from ages 20–24 to 25–29, and by another ¥41,400 from ages 25–29 to 30–34.
Growth becomes more gradual in the late 30s and beyond. Wages are ¥367,900 at ages 40–44, slip slightly to ¥366,400 at ages 45–49, and then reach a peak of ¥385,000 at ages 50–54.
At ages 60–64, wages fall to ¥323,200, which is ¥61,800 per month below the level for ages 50–54. As in Chiba, this may reflect changes in job titles or employment conditions in the 60s.
However, these figures do not track the same individuals over a 40-year career. They compare different age groups in 2023, so the averages also contain differences in occupation, tenure, position, employer size, and workforce composition.
Ibaraki's wages reflect workplaces inside the prefecture, not Tokyo commuters
The Basic Survey on Wage Structure is tabulated by the prefecture where the establishment is located.
The ¥340,600 figure is not the "average monthly income of Ibaraki residents." It is the scheduled monthly wage of people working at establishments located in Ibaraki, so wages earned by residents of places such as Moriya or Toride who commute to Tokyo need to be considered separately.
A person who lives in Moriya or Toride and works for a company in Tokyo is generally counted under the Tokyo workplace. Therefore, it would be incorrect to explain Ibaraki's ¥340,600 average as being directly pushed up by Tokyo commuters along the Tsukuba Express corridor.
What the figure directly captures is wages paid at establishments located in Ibaraki Prefecture.
That is why the prefecture's wage level should be read through the depth of its own research, manufacturing, and materials industries rather than simply through its distance from Tokyo.
Three local "income engines": Tsukuba, Hitachi, and Kashima
1. Research and professional jobs in Tsukuba
Tsukuba is home to institutions including the National Institute of Advanced Industrial Science and Technology (AIST), JAXA's Tsukuba Space Center, the National Institute for Materials Science (NIMS), the High Energy Accelerator Research Organization (KEK), and the University of Tsukuba.
The concentration of researchers, engineers, university faculty, and research-support professionals in a single city is a distinctive feature of Ibaraki's labor market.
Describing Ibaraki only as a manufacturing prefecture misses Tsukuba's role as a national research and development center. One of the prefecture's wage pillars is not factory work, but jobs that sell knowledge and technical expertise.
2. Electrical and machinery industries around Hitachi and Hitachinaka
Hitachi City in northern Ibaraki is the birthplace of Hitachi, Ltd., and the surrounding area has long hosted technical and manufacturing bases of Hitachi Group companies and related firms. Around Hitachinaka, there are also establishments operated by companies such as Hitachi Construction Machinery, Hitachi High-Tech, and Komatsu.
These businesses employ people in design, production engineering, quality assurance, equipment maintenance, site management, and other roles where accumulated experience can be reflected in responsibilities and pay. Core engineers and managers in northern Ibaraki are an important part of the higher wage levels seen in the 40s and 50s.
3. Materials industries in the Kashima coastal industrial zone
Kashima and Kamisu contain the Kashima coastal industrial zone, where large establishments in steel, petrochemicals, animal feed, chemicals, and related industries are concentrated.
Keeping large-scale facilities running safely and reliably requires skilled workers in operations, maintenance, safety, and quality control. In a different way from Tsukuba's research jobs or Hitachi's machinery and electrical industries, Kashima creates specialized employment inside Ibaraki.
In short, Ibaraki's wage level is supported by three very different pillars: research in Tsukuba, electrical and machinery industries around Hitachi, and materials industries in Kashima.
High-income households along the Tsukuba Express are a separate statistical story
Since the opening of the Tsukuba Express, places such as Moriya and Tsukubamirai have attracted more families who commute to Tokyo. This matters when discussing household income, housing prices, and population structure.
But the wage table used here is based on workplace location, not residence.
Mixing the effects of Tokyo commuters along the TX corridor with wage levels at workplaces inside Ibaraki would misread the statistics. The ¥340,600 figure is not the average monthly income of people who live in Ibaraki; it is the scheduled monthly wage of people who work in Ibaraki.
High-income households along the TX corridor are important when analyzing household income and housing prices. But the main drivers of this wage table are research institutions, factories, and other workplaces inside Ibaraki.
The gender gap widens to ¥158,000 per month in the early 50s
| Age group | Men | Women | Women ÷ men |
|---|---|---|---|
| All ages | ¥380,300 | ¥270,400 | 71.1% |
| 20–24 | ¥253,200 | ¥231,900 | 91.6% |
| 25–29 | ¥298,200 | ¥261,400 | 87.7% |
| 40–44 | ¥401,800 | ¥288,900 | 71.9% |
| 50–54 | ¥436,600 | ¥278,600 | 63.8% |
At ages 20–24, the gender gap is ¥21,300 per month. By ages 50–54, men earn ¥436,600 while women earn ¥278,600, widening the gap to ¥158,000 per month.
Even where the prefecture has relatively well-paid research and manufacturing jobs, the benefits do not appear equally for men and women. Differences in occupational placement, management representation, tenure, and employment status may become more visible in the averages at older ages.
Summary: Ibaraki is not a prefecture that depends on Tokyo for its earnings
Scheduled monthly wages in Ibaraki rise from ¥243,000 at ages 20–24 to ¥385,000 at ages 50–54, before falling to ¥323,200 at ages 60–64.
The main forces behind those figures are not Tokyo commuters.
Tsukuba, with AIST, JAXA, NIMS and other research institutions; the electrical and machinery industries of northern Ibaraki centered on the Hitachi Group; and the materials industries of the Kashima coastal industrial zone all provide substantial local employment.
Ibaraki has a relatively self-contained labor market with both research and manufacturing jobs inside the prefecture.
At the same time, the gender wage gap at ages 50–54 is ¥158,000 per month.
Ibaraki is a prefecture where local industries support wage growth through the 50s, but that growth is heavily tilted toward male technical and managerial workers. Behind the image of a manufacturing powerhouse are both high-skill jobs in the research city of Tsukuba and a large gender gap that remains unresolved.
📊 Analysis notes
- Statistics used: Ministry of Health, Labour and Welfare, Basic Survey on Wage Structure (Table ID: 0003426933, view on e-Stat)
- Survey definition: Ministry of Health, Labour and Welfare, Overview of the Basic Survey on Wage Structure
- Regional background: Ibaraki Prefecture, Profile of Ibaraki
- Area and year: Ibaraki Prefecture, 2023
- Indicator: Scheduled monthly wages of regular workers, establishments with 10 or more employees, all industries
- Data retrieved: June 6, 2026
- Notes: Scheduled monthly wages exclude bonuses and overtime pay. The prefectural classification is based on the location of the workplace, not the worker's residence. Discussion of regional industries is interpretation based on background sources rather than a direct statement from the published values themselves.
Figures in the tables were independently organized from the statistical data above.