How many employees work at Amkor Technology Japan?
Amkor Technology Japan KK has approximately 561 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. Amkor Technology Japan's total headcount has grown 18.7% from 473 employees in 2023 to 561 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is Amkor Technology Japan hiring right now?
Yes, Amkor Technology Japan is actively hiring. Amkor Technology Japan had 125 active job postings in 2025, a 57.5% decline from 2024 — see job openings & hiring trends.
About Amkor Technology Japan's Workforce
Amkor Technology Japan KK is an Electronics Manufacturing company that employs 561 people worldwide as of December 2025. It is the 6th-largest by headcount among its peers. Founded in 1970, the company is headquartered in Tokyo, Japan.
Amkor Technology Japan's workforce has grown 18.7% from 2023 to 2025, up 11.4% year over year in 2025. It peaked earlier and then fell to a low of 460 in 2024 Q2 before recovering, with Japan accounting for 86.7% of headcount and being its fastest-growing location, up 4.8%. The geographic mix also includes the Philippines at 11.0% and Malaysia at 1.4%.
Amkor Technology Japan's largest functional groups are Finance and Operations (58.4%), Engineering (23.0%), and Sales and Marketing (18.6%), with Finance and Operations growing fastest (up 10.8%). The average tenure is 3.1 years. The average salary is $52,049, with regional medians of $45,000 in Eastern Asia and $4,000 in South-Eastern Asia.
Amkor Technology Japan's active job postings fell 57.5% in 2025 to 125, with new postings per month rising from 11 in 2023 to 127 in 2025.
Sourced from Revelio Labs workforce data.
As of December 2025
Amkor Technology Japan
workforce metrics
Headcount
561
11.4% YoY
Avg. Salary
$52k
3.1% YoY
Tenure
3.1yr
0.4yr YoY
Growth Rate
11.4%
5.1pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Amkor Technology Japan. Compare to peers, export the dataset, and access the full quarterly history.
- Amkor Technology Japan had 561 employees in 2025, a 11.4% increase (+61) from 2024.
- Amkor Technology Japan had 500 employees in 2024, a 6.4% increase (+31) from 2023.
- Amkor Technology Japan had 469 employees in 2023, a 7.7% increase (+34) from 2022.
Amkor Technology Japan's total workforce has grown from 473 employees in 2023 to 561 in 2025.
Amkor Technology Japan KK — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 561 | +61 | +11.4% |
| 2025 | Q3 | 556 | +75 | +14.6% |
| 2025 | Q2 | 540 | +80 | +16.1% |
| 2025 | Q1 | 528 | +48 | +9.6% |
| 2024 | Q4 | 500 | +31 | +6.4% |
| 2024 | Q3 | 481 | +13 | +2.7% |
| 2024 | Q2 | 460 | -4 | -0.8% |
| 2024 | Q1 | 480 | +7 | +1.5% |
| 2023 | Q4 | 469 | +34 | +7.7% |
| 2023 | Q3 | 468 | +36 | +8.0% |
| 2023 | Q2 | 464 | +23 | +5.0% |
| 2023 | Q1 | 473 | +39 | +8.6% |
Want to see Amkor Technology Japan's complete headcount history back to 2017, including quarterly breakdowns?
Japan accounts for the largest share of Amkor Technology Japan's global workforce with approximately 87% of total employees, followed by the Philippines and Malaysia. Amkor Technology Japan's headcount in Japan is growing fastest among its major locations, up 4.8% year over year in 2025.
Amkor Technology Japan employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| Japan | 486 | 86.7% | +4.8% |
| Philippines | 62 | 11.0% | +0.0% |
| Malaysia | 8 | 1.4% | +0.0% |
| Taiwan | 4 | 0.7% | +0.0% |
| South Korea | 1 | 0.2% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Amkor Technology Japan's largest employee groups are Finance and Operations (58.4%), Engineering (23.0%), and Sales and Marketing (18.6%).
Amkor Technology Japan employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 325 | 58.4% | +10.8% |
| Engineering | 128 | 23.0% | -4.8% |
| Sales and Marketing | 103 | 18.6% | -4.1% |
Compare Amkor Technology Japan's department mix to industry peers.
Amkor Technology Japan's average employee salary is $52,049 globally. Employees in Eastern Asia receive the highest compensation. Pay is lowest in South-Eastern Asia, at a median of $4,000.
Amkor Technology Japan median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Eastern Asia | $45,000 |
| South-Eastern Asia | $4,000 |
Unlock salary by role, level, and city — and compare to Amkor Technology Japan's industry peers.
- Amkor Technology Japan had 125 active job postings in 2025, a 57.5% decline (-101) from 2024.
- Amkor Technology Japan had 226 active job postings in 2024, a 158.7% increase (+200) from 2023.
- Amkor Technology Japan had 26 active job postings in 2023, a 97.1% increase from 2022.
- Hiring velocity in 2025: 127 new roles/month, up from 52 in 2024 and 11 in 2023. New metric
Amkor Technology Japan's active job postings fell 57.5% in 2025 to 125, with new postings per month climbing from 11 in 2023 to 127 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Similar Electronics Manufacturing Companies by Employee Count
- How fast is Amkor Technology Japan growing?
- In 2025, Amkor Technology Japan's headcount grew 11.4% to 561 employees, up from 500 in 2024.
- Where are Amkor Technology Japan employees located?
- Most Amkor Technology Japan employees are based in Japan (86.7% of headcount), followed by the Philippines and Malaysia.
- What is the average salary at Amkor Technology Japan?
- The average employee salary at Amkor Technology Japan is approximately $52k per year.
- How many people does Amkor Technology Japan hire per year?
- In 2025, Amkor Technology Japan opened roughly 1,524 new roles — about 127 per month.
- When was Amkor Technology Japan founded and where is it headquartered?
- Amkor Technology Japan was founded in 1970 and is headquartered in Tokyo, Japan.
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