Salary Comparison

Machine Learning Engineer Salary:
London vs Boston, MA

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

London
$99,008
/ year
-55%
difference
Boston, MA
$222,139
/ year
Bottom line: Boston wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
London
Boston
Median Gross Salary
Annual, before tax
$99,008
$222,139✓ higher
Entry Level
0–2 years experience
$65,691
$143,656✓ higher
Senior Level
8+ years experience
$149,223
$343,499✓ higher
Est. Take-Home Pay
After income tax + FICA
$67,325
$148,876✓ higher
Purchasing Power
Equivalent in median-CoL city
$66,005
$158,671✓ higher
Cost of Living Index
Relative to US median (1.00)
1.50×
1.40×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$51,896
$143,656✓ higher
Percentile 90 (High)
Top 10% of earners
$117,886
$343,499✓ higher

What if you move from London to Boston?

Gross salary change
+$123,131
55% increase
Take-home change
+$81,551
per year after tax
Purchasing power change
+$92,666
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00×). Full methodology →

Salary Range Comparison

London$99,008
P10: $51,896Median: $99,008P90: $117,886
Boston, MA$222,139
P10: $143,656Median: $222,139P90: $343,499

More Machine Learning Engineer salary comparisons

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Frequently Asked Questions

▶Does a Machine Learning Engineer earn more in London or Boston?

The median Machine Learning Engineer salary in London is £78,216/yr compared to $222,139/yr in Boston, MA. Boston pays 55% more in gross terms.

▶Is a Machine Learning Engineer salary worth more in London or Boston after cost of living?

After adjusting for local cost of living, your London salary has the purchasing power of $66,005/yr in a median-cost city, vs $158,671/yr for Boston. Boston offers stronger real purchasing power.

▶What is the take-home pay for a Machine Learning Engineer in London vs Boston?

After estimated taxes, a Machine Learning Engineer in London takes home approximately $67,325/yr, vs $148,876/yr in Boston, MA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.