SK Hynix Reveals Starting Pay as AI Boom Drives Record Hiring and Tax Haul

South Korean memory chipmaker SK Hynix posted a voluntary employee turnover rate of just 0.5% among its domestic workforce in 2025 — a figure that reflects both the strength of its compensation packages and the AI hardware cycle fueling the company's record profits.

The data comes from SK Hynix's latest sustainability report, cited by South Korean media. Employees between the ages of 30 and 49 — the backbone of the company's engineering and technical workforce — were the most likely to stay, with a voluntary departure rate of only 0.4%. Even when involuntary separations such as layoffs and retirements are included, the combined annual attrition rate ranks among the lowest in South Korea's semiconductor industry.

SK Hynix brought on 3,201 new employees in South Korea in 2025, roughly 3.4 times the 942 hired the previous year. The spike was largely driven by the first-phase launch of its M15X fabrication plant in Cheongju, which created substantial headcount demand as the facility ramped up production.

For the first time, the report also disclosed starting salary figures. New graduates entering technical and administrative roles in 2025 received a monthly base pay of 4.505 million Korean won — equivalent to approximately 93,000 New Taiwan dollars, or around $2,900 at current exchange rates.

Surging demand for high-bandwidth memory (HBM) — a critical component in AI accelerators used by companies such as Nvidia — has translated into outsized fiscal contributions to the South Korean state. SK Hynix reported total social value creation of approximately 20.32 trillion won (roughly $14.8 billion), a 69.4% jump from 2024.

Its broader indirect economic contribution — encompassing employment, dividends, and taxes — reached approximately 20.36 trillion won, up 69.8% year-on-year. Tax payments alone totaled 9.53 trillion won (approximately $6.9 billion), nearly triple the 3.55 trillion won paid the prior year. For a country navigating slowing growth and a rapidly aging population, the windfall from a single chipmaker carries meaningful fiscal weight.

The report also addressed workplace diversity and family policy. Women held 3.4% of senior management positions, unchanged from the year before; the company has set a target of 3.9% for 2026. The share of women in junior management roles edged up 0.3 percentage points to 6.8%, with a stated target of 7.3%.

On parental leave, 1,091 male employees took spousal birth leave in 2025 — nearly 300 more than the previous year. The company highlighted the figure as evidence of a family-friendly culture at a time when South Korea's persistently low birth rate has become one of the government's most pressing policy challenges.

In a separate disclosure, the report revealed an intra-group asset transfer that signals SK Hynix's growing international footprint. SK Innovation — the SK Group unit overseeing oil and energy businesses — transferred a 50% ownership stake in an Airbus A319 business jet to SK Hynix. The move is widely understood to reflect anticipated demand for executive and engineering travel to the United States and other markets as the company continues to scale up HBM production and deepen ties with global customers.