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2026 comparison

Petroleum Engineer vs Data Scientist salary in South Africa

Compare salary, demand, difficulty, and long-term growth to choose the right career path.

Quick answer

Petroleum Engineer vs Data Scientist in South Africa

Higher paying career
Petroleum Engineer
Monthly difference
R40 000
Easier to enter
Data Scientist
Better long-term
Data Scientist

Winner summary

Winner for salary
Petroleum Engineer (+R40 000/month)
Easier entry
Data Scientist
Best long-term
Data Scientist
Verdict

Choose Data Scientist if your goal is higher income and long-term growth.

Choose Data Scientist if your goal is faster entry and lower barriers.

Career overview

Petroleum Engineer

Demand: 6/10

Salary guide
Requirements

BEng Petroleum or Chemical Engineering.

  • BEng
  • ECSA pathway
  • Field experience
Salary
EntryR40 000
MidR95 000
SeniorR150 000
Top 20%R250 000

Data Scientist

Demand: 9/10

Salary guide
Requirements

Degree in Stats, Maths, CS or related.

  • Quantitative degree
  • Strong Python
  • Statistics fundamentals
Salary
EntryR30 000
MidR70 000
SeniorR110 000
Top 20%R180 000

Salary breakdown

Entry
Petroleum EngineerR40 000
Data ScientistR30 000
Mid
Petroleum EngineerR95 000
Data ScientistR70 000
Senior
Petroleum EngineerR150 000
Data ScientistR110 000
Top 20%
Petroleum EngineerR250 000
Data ScientistR180 000

Demand and difficulty

Demand

Petroleum Engineer (6/10)6/10
Data Scientist (9/10)9/10

Difficulty

Petroleum Engineer (9/10)9/10
Data Scientist (8/10)8/10
Salary difference
+R40 000/month

The salary gap at senior level is about R40 000 per month. Petroleum Engineer earns more due to higher demand and stronger salary growth at senior level.

See full Petroleum Engineer salary in South Africa →

Key questions

Which pays more in South Africa?

Petroleum Engineer pays more, with senior salaries around R150 000 per month compared to R110 000 for Data Scientist.

Which is easier to enter?

Data Scientist is easier to enter due to lower difficulty and more accessible requirements.

Which is better long-term?

Data Scientist offers stronger long-term potential based on higher salary ceilings and demand.

Detailed comparison

When comparing Petroleum Engineer vs Data Scientist in South Africa, the senior-level salary difference is R40 000 per month.

Data Scientist is better for quicker entry into the workforce. Data Scientist is better for long-term earnings and career growth.

Skills and requirements

Petroleum Engineer

Core skills
  • Reservoir engineeringHigh
  • Drilling operationsHigh
  • SafetyHigh

Data Scientist

Core skills
  • Python / PandasHigh
  • Machine learningHigh
  • SQLHigh
  • Cloud ML platformsMedium

Side by side

Reservoir engineering
Petroleum Engineer needs this
Less central
Drilling operations
Petroleum Engineer needs this
Less central
Safety
Petroleum Engineer needs this
Less central
Python / Pandas
Less central
Data Scientist needs this
Machine learning
Less central
Data Scientist needs this
SQL
Less central
Data Scientist needs this

Career progression

Petroleum Engineer

Junior EngineerR50 000
Petroleum EngineerR95 000
Senior EngineerR150 000
Engineering ManagerR250 000

Data Scientist

Junior Data ScientistR38 000
Data ScientistR70 000
Senior Data ScientistR110 000
Lead / ML EngineerR140 000

Related insights

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