A Web3 Security Engineer earning the median salary of ¥11.4M in Japan takes home approximately ￥8,189,047/year (￥682,421/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 | ￥7,406,000 | ￥5,569,807￥464,151/mo | ￥464,151 | 24.8% |
| Mid-level | ￥11,150,000 | ￥8,019,401￥668,283/mo | ￥668,283 | 28.1% |
| Senior | ￥15,269,000 | ￥10,389,016￥865,751/mo | ￥865,751 | 32.0% |
| Lead / Principal | ￥20,006,000 | ￥13,002,900￥1,083,575/mo | ￥1,083,575 | 35.0% |
The biggest pay step is Senior to Lead / Principal: ￥4,737,000 more a year before tax, of which ￥2,613,884 reaches take-home. 45% of that raise goes to national income tax, reconstruction surtax, resident tax, and employee social insurance, against an average 32% 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 Web3 Security Engineer salaries in Japan run from ￥10,828,000 to ￥11,878,000 a year, which is ￥7,816,911 to ￥8,476,817 after national income tax, reconstruction surtax, resident tax, and employee social insurance.
The table above uses the Web3 Security Engineer median. Enter your own gross salary below for a precise figure.
Annual take-home
￥8,189,047
Monthly take-home
￥682,421
Effective deduction rate
28.3%
National income tax
￥1,089,835
Reconstruction surtax
2.1% of national income tax
￥22,887
Resident tax
~10% (prefectural + municipal)
￥771,863
Health + pension + employment insurance
￥1,346,368
A Web3 Security Engineer earning the median salary of ¥11.4M in Japan takes home approximately ￥8,189,047 per year (￥682,421 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, using 2026 rates.
On a median Web3 Security Engineer salary of ¥11.4M, the effective deduction rate (national income tax, reconstruction surtax, resident tax, and employee social insurance) is 28.3%, leaving ￥8,189,047 as take-home pay.
A senior Web3 Security Engineer in Japan earns a median ￥15,269,000 a year and takes home approximately ￥10,389,016 (￥865,751 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 32.0%.
A junior Web3 Security Engineer in Japan earns a median ￥7,406,000 a year and takes home approximately ￥5,569,807 (￥464,151 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 24.8%.
The biggest pay step is Senior to Lead / Principal: ￥4,737,000 more a year before tax, of which ￥2,613,884 reaches take-home. 45% of that raise goes to national income tax, reconstruction surtax, resident tax, and employee social insurance, against an average 32% on the Senior salary, because the extra pay is taxed at the top of your bands rather than spread across all of them.
Web3 Security Engineer Salary Benchmarks
Full range, city comparisons, seniority bands
Check a job offer
See where an offer sits against the market range
Web3 Security Engineer contractor rates
Compare permanent pay with current contract market rates
Remote vs Hybrid
Is the commute worth it?