Guides
The calculators give you a number. These explain where the number comes from, what it leaves out, and the places where comparing two countries quietly stops meaning anything.
How gross-to-net pay is actually calculated
The order in which social contributions, allowances and income tax are applied changes your take-home pay by a couple of percent. Here is the sequence, and where countries disagree about it.
7 min readWhy your payslip never matches an online calculator
Nine reasons an estimate and a real payslip disagree, sorted by how much money is usually involved, and how to tell which one is wrong.
8 min readThe tax-free allowance, and why headline tax rates lie
A flat 22% tax produces an effective rate of 5.8% or 19.7% depending only on salary. The allowance is why, and it makes every headline-rate comparison misleading.
6 min readFlat tax or progressive tax: what 105 countries actually do
Fourteen countries run a single income tax rate, six charge none at all, and the rest use brackets. The split is less ideological and more geographic than the debate suggests.
7 min readWhat social contributions actually buy
The second-largest line on your payslip is not a tax in the ordinary sense. It is a premium, and understanding what it entitles you to changes how you read the number.
6 min readWhat an employee actually costs, and why the range is 1.5% to 42%
Gross salary is the middle of three numbers, not the top one. What sits above it varies more between countries than income tax does, and it decides where jobs get created.
7 min readHow VAT works, and why a business does not care about the rate
VAT is collected by businesses at every step and paid, in the end, by exactly one person. Understanding which one changes how you read prices, invoices and rate rises.
6 min readReduced VAT rates: 47 countries have none, Italy has three
Half the world charges a single VAT rate on everything. The other half runs a patchwork of exceptions that is far more consequential than the standard rate.
6 min readThe 40-hour week covers barely half the world
Standard full-time hours run from 35 in France to 48 across much of Asia, Africa and Latin America. The split traces back to two international conventions, sixteen years apart.
6 min readHow to count working days without getting it wrong
There are 261 weekdays in 2026, and almost nobody works all of them. Where the number goes wrong: weekend overlap, movable feasts, and two different Easters.
6 min readWhy minimum wage comparisons are usually wrong
Eight rich European countries have no minimum wage at all, and that is not a gap in the data. Four reasons cross-border minimum wage tables mislead, and how to read them anyway.
6 min readAverage salary, median salary, and which one you are behind
Salary distributions are skewed, so the average sits above the middle earner almost everywhere. Feeling underpaid against a national average is often an artefact of the statistic.
6 min readComparing a job offer abroad: the questions that decide it
Converting two salaries to one currency answers almost nothing. Eleven questions that actually determine whether an offer in another country leaves you better off.
8 min read
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