A Data Engineer earning the median salary of ¥9.6M in Japan takes home approximately ￥7,019,664/year (￥584,972/month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, using 2026 rates.
2026 median salary for each level in Japan, and what it leaves after national income tax, reconstruction surtax, resident tax, and employee social insurance. Single employee, Tokyo standard rates, under 40. 2026 rates.
| Level | Gross / year | Take-home / year | Per month | Effective rate |
|---|---|---|---|---|
| Junior | ￥6,219,000 | ￥4,819,729￥401,644/mo | ￥401,644 | 22.5% |
| Mid-level | ￥9,375,000 | ￥6,861,923￥571,827/mo | ￥571,827 | 26.8% |
| Senior | ￥12,831,000 | ￥9,075,606￥756,300/mo | ￥756,300 | 29.3% |
| Lead / Principal | ￥16,794,000 | ￥11,203,362￥933,614/mo | ￥933,614 | 33.3% |
The biggest pay step is Senior to Lead / Principal: ￥3,963,000 more a year before tax, of which ￥2,127,757 reaches take-home. 46% of that raise goes to national income tax, reconstruction surtax, resident tax, and employee social insurance, against an average 29% on the Senior salary, because the extra pay is taxed at the top of your bands rather than spread across all of them.
Around the headline median, the middle half of Data Engineer salaries in Japan run from ￥9,118,000 to ￥9,998,000 a year, which is ￥6,693,009 to ￥7,271,391 after national income tax, reconstruction surtax, resident tax, and employee social insurance.
The table above uses the Data Engineer median. Enter your own gross salary below for a precise figure.
Annual take-home
￥7,019,664
Monthly take-home
￥584,972
Effective deduction rate
27.0%
National income tax
￥732,226
Reconstruction surtax
2.1% of national income tax
￥15,377
Resident tax
~10% (prefectural + municipal)
￥601,363
Health + pension + employment insurance
￥1,246,371
A Data Engineer earning the median salary of ¥9.6M in Japan takes home approximately ￥7,019,664 per year (￥584,972 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, using 2026 rates.
On a median Data Engineer salary of ¥9.6M, the effective deduction rate (national income tax, reconstruction surtax, resident tax, and employee social insurance) is 27.0%, leaving ￥7,019,664 as take-home pay.
A senior Data Engineer in Japan earns a median ￥12,831,000 a year and takes home approximately ￥9,075,606 (￥756,300 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 29.3%.
A junior Data Engineer in Japan earns a median ￥6,219,000 a year and takes home approximately ￥4,819,729 (￥401,644 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 22.5%.
The biggest pay step is Senior to Lead / Principal: ￥3,963,000 more a year before tax, of which ￥2,127,757 reaches take-home. 46% of that raise goes to national income tax, reconstruction surtax, resident tax, and employee social insurance, against an average 29% on the Senior salary, because the extra pay is taxed at the top of your bands rather than spread across all of them.
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