Salary Comparison

Data Scientist Salary:
London vs Washington DC, DC

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

London
$99,008
/ year
-43%
difference
Washington DC, DC
$174,361
/ year
Bottom line: Washington DC wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
London
Washington DC
Median Gross Salary
Annual, before tax
$99,008
$174,361✓ higher
Entry Level
0–2 years experience
$65,691
$112,758✓ higher
Senior Level
8+ years experience
$149,223
$269,618✓ higher
Est. Take-Home Pay
After income tax + FICA
$67,325
$116,387✓ higher
Purchasing Power
Equivalent in median-CoL city
$66,005
$122,789✓ higher
Cost of Living Index
Relative to US median (1.00)
1.50×
1.42×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$51,896
$112,758✓ higher
Percentile 90 (High)
Top 10% of earners
$117,886
$269,618✓ higher

What if you move from London to Washington DC?

Gross salary change
+$75,353
43% increase
Take-home change
+$49,062
per year after tax
Purchasing power change
+$56,784
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
Washington DC, DC$174,361
P10: $112,758Median: $174,361P90: $269,618

More Data Scientist salary comparisons

London vs ManchesterLondon vs BirminghamLondon vs EdinburghLondon vs BristolLondon vs LeedsLondon vs GlasgowWashington DC vs New YorkWashington DC vs Los AngelesWashington DC vs ChicagoWashington DC vs HoustonAll Data Scientist salaries →

Frequently Asked Questions

▶Does a Data Scientist earn more in London or Washington DC?

The median Data Scientist salary in London is £78,216/yr compared to $174,361/yr in Washington DC, DC. Washington DC pays 43% more in gross terms.

▶Is a Data Scientist salary worth more in London or Washington DC 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 $122,789/yr for Washington DC. Washington DC offers stronger real purchasing power.

▶What is the take-home pay for a Data Scientist in London vs Washington DC?

After estimated taxes, a Data Scientist in London takes home approximately $67,325/yr, vs $116,387/yr in Washington DC, DC. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.