Data Scientist vs Chemical Engineer
Salary Comparison.
Side-by-side monthly salary breakdown for South Africa in 2026 — entry to senior level, gross before tax.
Chemical Engineer earns 19% more than Data Scientist
Median R 50 000/month vs R 42 000/month — a R 8 000/month difference
Data Scientist
R 504 000/year
91% above SA workforce median
Chemical Engineer
R 600 000/year
127% above SA workforce median
Salary by experience level
| Level | Data Scientist | Chemical Engineer |
|---|---|---|
| Entry-level(0–2 yrs) | R 22 000 | R 25 000 |
| Mid-level(3–6 yrs) | R 42 000 | R 50 000 |
| Senior(7+ yrs) | R 70 000 | R 82 000 |
Median monthly gross before PAYE tax · South Africa 2026
Salary range comparison
Entry-level
Mid-level
Senior
Key differences
Data Scientist
Data scientists remain one of the most sought-after professionals in SA, with demand from banks, fintechs, and international remote roles all contributing to a talent shortage.
Chemical Engineer
Chemical engineers with mining, water treatment, and green hydrogen expertise are especially sought after as SA transitions its energy and industrial base.
See your actual take-home pay
Enter any gross salary to calculate PAYE, UIF, and net pay after deductions.
Frequently asked questions
Which earns more — a Data Scientist or a Chemical Engineer in South Africa?▾
A Chemical Engineer earns more on average. The median monthly salary for a Chemical Engineer is R 50 000/month, compared to R 42 000/month for a Data Scientist — a difference of R 8 000/month (19% higher).
What is the Data Scientist salary in South Africa in 2026?▾
The median Data Scientist salary in South Africa is R 42 000/month gross in 2026. Entry-level positions pay R 18 000–R 28 000/month, mid-level pays R 32 000–R 55 000/month, and senior roles pay R 55 000–R 95 000/month.
What is the Chemical Engineer salary in South Africa in 2026?▾
The median Chemical Engineer salary in South Africa is R 50 000/month gross in 2026. Entry-level positions pay R 20 000–R 32 000/month, mid-level pays R 38 000–R 65 000/month, and senior roles pay R 65 000–R 110 000/month.
How do I calculate take-home pay for a Data Scientist or Chemical Engineer?▾
Use the Rand Tools PAYE calculator. Enter the gross monthly salary and it will calculate your exact take-home pay after PAYE income tax, UIF (1% of gross, capped at R177.12/month), and any pension or medical aid contributions.