A Business Intelligence (BI) Lead earning the median salary of ¥9.3M in Japan takes home approximately ￥6,806,056/year (￥567,171/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 | ￥5,994,000 | ￥4,657,480￥388,123/mo | ￥388,123 | 22.3% |
| Mid-level | ￥9,025,000 | ￥6,631,884￥552,657/mo | ￥552,657 | 26.5% |
| Senior | ￥12,331,000 | ￥8,761,446￥730,121/mo | ￥730,121 | 28.9% |
| Lead / Principal | ￥16,119,000 | ￥10,841,111￥903,426/mo | ￥903,426 | 32.7% |
The biggest pay step is Senior to Lead / Principal: ￥3,788,000 more a year before tax, of which ￥2,079,665 reaches take-home. 45% 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 Business Intelligence (BI) Lead salaries in Japan run from ￥8,813,000 to ￥9,658,000 a year, which is ￥6,492,547 to ￥7,047,925 after national income tax, reconstruction surtax, resident tax, and employee social insurance.
The table above uses the Business Intelligence (BI) Lead median. Enter your own gross salary below for a precise figure.
Annual take-home
￥6,806,056
Monthly take-home
￥567,171
Effective deduction rate
26.7%
National income tax
￥670,827
Reconstruction surtax
2.1% of national income tax
￥14,087
Resident tax
~10% (prefectural + municipal)
￥570,663
Health + pension + employment insurance
￥1,228,366
A Business Intelligence (BI) Lead earning the median salary of ¥9.3M in Japan takes home approximately ￥6,806,056 per year (￥567,171 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, using 2026 rates.
On a median Business Intelligence (BI) Lead salary of ¥9.3M, the effective deduction rate (national income tax, reconstruction surtax, resident tax, and employee social insurance) is 26.7%, leaving ￥6,806,056 as take-home pay.
A senior Business Intelligence (BI) Lead in Japan earns a median ￥12,331,000 a year and takes home approximately ￥8,761,446 (￥730,121 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 28.9%.
A junior Business Intelligence (BI) Lead in Japan earns a median ￥5,994,000 a year and takes home approximately ￥4,657,480 (￥388,123 per month) after national income tax, reconstruction surtax, resident tax, and employee social insurance, an effective rate of 22.3%.
The biggest pay step is Senior to Lead / Principal: ￥3,788,000 more a year before tax, of which ￥2,079,665 reaches take-home. 45% 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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