How many employees work at International Vaccine?
International Vaccine Institute has approximately 359 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. International Vaccine’s total headcount has grown 8.9% from 329 employees in 2023 to 359 in 2026.
Is International Vaccine hiring right now?
Yes, International Vaccine is actively hiring. International Vaccine had 6 active job postings in 2026, a 95.7% decline from 2025 — see job openings & hiring trends.
About International Vaccine’s Workforce
International Vaccine Institute is a Research and Development company that employs 359 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1997, the company is headquartered in Seoul, South Korea.
International Vaccine's workforce has grown 8.9% from 2023 to 2026, though it is down 1.1% year over year in 2026. Its workforce is concentrated most in East Asia (79.1%), followed by Northern Europe (6.0%) and Sub-Saharan Africa (4.5%).
International Vaccine's functional groups are Finance and Operations (57.4%), Engineering (25.5%), and Sales and Marketing (17.1%), with Sales and Marketing growing fastest (up 2.5%). The average salary is $36,825, ranging from a median of $77,000 in North America to $3,000 in Sub-Saharan Africa, up 0.6% year over year in 2026.
International Vaccine's active job postings fell 95.7% in 2026 to 6, with new postings per month cooling from 9 in 2023 to 7 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Seoul, South Korea
- Founded
- 1997
- Industry
- Research and Development
- Employees
- 359
- YoY
- -1.1% (-12)
As of March 2026
International Vaccine workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for International Vaccine. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsInternational Vaccine Annual Employee Count (2023-2026)
- International Vaccine had 359 employees in 2026, a 1.1% decline (-12) from 2025.
- International Vaccine had 364 employees in 2025, a 2.4% increase (+2) from 2024.
- International Vaccine had 362 employees in 2024, a 3.5% increase (+21) from 2023.
- International Vaccine had 341 employees in 2023, a 0.6% decline (+17) from 2022.
International Vaccine's total workforce has grown from 329 employees in 2023 to 359 in 2026.
International Vaccine Institute quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 359 | -12 | -1.1% |
| 2025 | Q4 | 364 | +2 | +2.4% |
| 2025 | Q3 | 370 | +16 | +5.3% |
| 2025 | Q2 | 378 | +35 | +7.2% |
| 2025 | Q1 | 371 | +30 | +7.4% |
| 2024 | Q4 | 362 | +21 | +3.5% |
| 2024 | Q3 | 354 | +19 | -2.2% |
| 2024 | Q2 | 343 | +14 | -3.4% |
| 2024 | Q1 | 341 | +18 | -1.8% |
| 2023 | Q4 | 341 | +17 | -0.6% |
| 2023 | Q3 | 335 | +26 | +3.6% |
| 2023 | Q2 | 329 | +32 | +4.4% |
See International Vaccine's complete headcount history, including quarterly breakdowns.
Get the DataInternational Vaccine Employee Count by Region (2026)
East Asia accounts for the largest share of International Vaccine's global workforce with approximately 79% of total employees, followed by Northern Europe and Sub-Saharan Africa.
International Vaccine employees by region
| Region | Employees | % of Total |
|---|---|---|
| East Asia | 281 | 79.1% |
| Northern Europe | 21 | 6.0% |
| Sub-Saharan Africa | 16 | 4.5% |
| South Asia | 15 | 4.2% |
| North America | 8 | 2.1% |
| Southeast Asia | 6 | 1.6% |
| Western Europe | 3 | 1.0% |
| South America | 2 | 0.6% |
| North Africa | 2 | 0.6% |
| Arab States | 1 | 0.3% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataInternational Vaccine Employee Count by Department (2026)
International Vaccine's employee groups are Finance and Operations (57.4%), Engineering (25.5%), and Sales and Marketing (17.1%).
International Vaccine employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 205 | 57.4% |
| Engineering | 91 | 25.5% |
| Sales and Marketing | 61 | 17.1% |
Compare International Vaccine's department mix to industry peers.
See Full DataInternational Vaccine Employee Salary by Region (2026)
International Vaccine's average employee salary is $36,825 globally. Employees in North America receive the highest compensation, with median pay approximately 2.1x the global average. Pay is lowest in Sub-Saharan Africa, at a median of $3,000.
International Vaccine median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $77,000 |
| Western Europe | $74,000 |
| Northern Europe | $66,000 |
| East Asia | $28,000 |
| Southeast Asia | $17,000 |
| South Asia | $5,000 |
| Sub-Saharan Africa | $3,000 |
Unlock salary by role, level, and city — and compare to International Vaccine's industry peers.
Unlock Salary DataInternational Vaccine Job Openings and Hiring Trends (2023-2026)
- International Vaccine had 6 active job postings in 2026, a 95.7% decline (-3) from 2025.
- International Vaccine had 9 active job postings in 2025, a 25.0% increase (+2) from 2024.
- International Vaccine had 7 active job postings in 2024, a 72.7% decline (-8) from 2023.
- International Vaccine had 15 active job postings in 2023, a 85.7% increase from 2022.
- Hiring velocity in 2026: 7 new roles/month, down from 9 in 2025 and 8 in 2024.
International Vaccine's hiring is slowing: active job postings fell 95.7% in 2026 to 6, with new postings per month cooling from 9 in 2023 to 7 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataInternational Vaccine Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across International Vaccine's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About International Vaccine
- How fast is International Vaccine growing?
- In 2026, International Vaccine's headcount shrank 1.1% to 359 employees, down from 371 in 2025.
- See the full headcount history
- Where are International Vaccine employees located?
- Most International Vaccine employees are based in East Asia (79.1% of headcount), followed by Northern Europe and Sub-Saharan Africa.
- Explore where the workforce is based
- What is the average salary at International Vaccine?
- The average employee salary at International Vaccine is approximately $36.8k per year.
- Analyze the salary distribution
- How many new job postings does International Vaccine open per year?
- In Q1 2026, International Vaccine opened 20 new job postings. In 2025, International Vaccine opened 106 new job postings — about 9 per month.
- Track hiring trends by role
- When was International Vaccine founded and where is it headquartered?
- International Vaccine was founded in 1997 and is headquartered in Seoul, South Korea.
- Compare International Vaccine to industry peers
Speak with a workforce expert about International Vaccine.
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