How many employees work at Marathon Oil?

Marathon Oil Corp. has approximately 1,140 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Marathon Oil’s total headcount has declined 36.3% from 1,791 employees in 2023 to 1,140 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is Marathon Oil hiring right now?

Yes, Marathon Oil is actively hiring. Marathon Oil had 1 active job postings in 2026, a 66.7% decline from 2025 — see job openings & hiring trends.

About Marathon Oil’s Workforce

Marathon Oil Corp. is an Energy and Resources company that employs 1,140 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 1887, the company is headquartered in Houston, Texas.

Marathon Oil's workforce has declined 36.3% from 2023 to 2026, down 9.0% year over year in 2026. It fell to a low of 1,140 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (70.0%), followed by Sub-Saharan Africa (17.4%) and Northern Europe (8.0%).

Marathon Oil's functional groups are Finance and Operations (43.5%), Engineering (31.0%), and Sales and Marketing (25.5%). The average salary is $101,949, ranging from a median of $109,000 in North America to $14,000 in South Asia, down 1.8% year over year in 2026.

Marathon Oil's active job postings fell 66.7% in 2026 to 1, with new postings per month cooling from 74 in 2023 to 1 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Houston, Texas
Founded
1887
Industry
Energy and Resources
Employees
1,140
YoY
-9.0% (-253)

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Marathon Oil Annual Employee Count (2023-2026)

Interactive chart of Marathon Oil annual worldwide employee count from 2023 to 2026.
  • Marathon Oil had 1,140 employees in 2026, a 9.0% decline (-253) from 2025.
  • Marathon Oil had 1,154 employees in 2025, a 9.5% decline (-298) from 2024.
  • Marathon Oil had 1,452 employees in 2024, a 5.3% decline (-336) from 2023.
  • Marathon Oil had 1,788 employees in 2023, a 1.4% decline (+46) from 2022.

Marathon Oil's total workforce has declined from 1,791 employees in 2023 to 1,140 in 2026.

Marathon Oil Corp. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q11,140-253-9.0%
2025Q41,154-298-9.5%
2025Q31,232-513-11.3%
2025Q21,336-426-7.8%
2025Q11,393-380-6.0%
2024Q41,452-336-5.3%
2024Q31,745-37-0.5%
2024Q21,762-29-0.6%
2024Q11,773-6-1.0%
2023Q41,788+46-1.4%
2023Q31,782+40-1.5%
2023Q21,791+47-1.7%

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Marathon Oil Employee Count by Region (2026)

North America accounts for the largest share of Marathon Oil's global workforce with approximately 70% of total employees, followed by Sub-Saharan Africa and Northern Europe.

Marathon Oil employees by region

RegionEmployees% of Total
North America78570.0%
Sub-Saharan Africa19617.4%
Northern Europe908.0%
South Asia131.2%
Arab States100.9%
Southeast Asia100.9%
Pacific Islands40.4%
Western Europe40.3%
North Africa30.3%
Southern Europe30.2%

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Marathon Oil Employee Count by Department (2026)

Marathon Oil's employee groups are Finance and Operations (43.5%), Engineering (31.0%), and Sales and Marketing (25.5%).

Marathon Oil employees by department

DepartmentEmployees% of Total
Finance and Operations48643.5%
Engineering34631.0%
Sales and Marketing28525.5%

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Marathon Oil Employee Salary by Region (2026)

Marathon Oil's average employee salary is $101,949 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $14,000.

Marathon Oil median employee salary by region (USD)

RegionMedian Salary
Southern Europe$175,000
North America$109,000
Pacific Islands$107,000
Western Europe$94,000
Northern Europe$89,000
Central America and the Caribbean$79,000
Arab States$35,000
Sub-Saharan Africa$22,000
South America$20,000
South Asia$14,000
Southeast Asia$13,000
North Africa$12,000

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Marathon Oil Job Openings and Hiring Trends (2023-2026)

Interactive chart of Marathon Oil annual active job postings from 2023 to 2026.
  • Marathon Oil had 1 active job postings in 2026, a 66.7% decline from 2025.
  • Marathon Oil had 1 active job postings in 2025, a 100.0% decline (-2) from 2024.
  • Marathon Oil had 3 active job postings in 2024, a 167.6% decline (-31) from 2023.
  • Marathon Oil had 34 active job postings in 2023, a 61.2% decline from 2022.
  • Hiring velocity in 2026: 1 new roles/month, up from 1 in 2025 and 15 in 2024.

Marathon Oil's hiring is slowing: active job postings fell 66.7% in 2026 to 1, with new postings per month cooling from 74 in 2023 to 1 in 2026.

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Marathon Oil Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Marathon Oil's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Marathon Oil

How fast is Marathon Oil growing?
In 2026, Marathon Oil's headcount shrank 9.0% to 1,140 employees, down from 1,393 in 2025.
See the full headcount history
Where are Marathon Oil employees located?
Most Marathon Oil employees are based in North America (70.0% of headcount), followed by Sub-Saharan Africa and Northern Europe.
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What is the average salary at Marathon Oil?
The average employee salary at Marathon Oil is approximately $101.9k per year.
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How many new job postings does Marathon Oil open per year?
In Q1 2026, Marathon Oil opened 3 new job postings. In 2025, Marathon Oil opened 9 new job postings — about 1 per month.
Track hiring trends by role
When was Marathon Oil founded and where is it headquartered?
Marathon Oil was founded in 1887 and is headquartered in Houston, Texas.
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