How is net salary calculated?

The salaire mensuel net (monthly net salary) is calculated from the salaire brut (gross salary) by deducting social security contributions and other mandatory deductions. Generally, the net salary represents approximately:

• 78% of the salaire brut for a salarié non-cadre (non-executive employee), meaning a deduction of about 22%, 
• 75% of the salaire brut for a salarié cadre (executive employee), meaning a deduction of about 25%.

Why the difference between executive and non-executive?

Since the AGIRC-ARRCO merger in 2019, employee social contributions for executives and non-executives are nearly identical. The only notable difference is the APEC contribution (0.024%) for executives. The remaining gap comes mainly from collective bargaining agreements.

Breakdown of deductions

• CSG (Contribution Sociale Généralisée) and CRDS (Contribution pour le Remboursement de la Dette Sociale): approximately 9.7% (calculated on 98.25% of gross).
• Complementary pension contributions (AGIRC-ARRCO, unified scheme for all employees):
  • Tier 1 (up to PASS): 3.15% + 0.86% CEG,
  • Tier 2 (above PASS): 8.64% + 1.08% CEG + 0.14% CET
• Assurance vieillesse (general retirement insurance): 6.90% capped + 0.40% uncapped.

Regional specifics

In the departments of Bas-Rhin, Haut-Rhin, and Moselle, an additional health insurance contribution of 1.3% is applied.

Income tax is calculated in several steps:

Net taxable income

Start with the revenu brut global (gross income), which includes salaries, rental income, etc., and subtract eligible deductions and allowances (e.g., professional expenses, alimony payments).

Progressive tax scale

The tax amount is determined based on an annual progressive tax scale. You can consult the current rates and brackets directly on the official tax website.

Tax reductions and credits

The final tax amount may be reduced through various mechanisms such as donations, household employment, or childcare expenses.

Practical example

For a net taxable income of 30,000 €, here is the calculation for 2024:

• First bracket (10,777 €): Non-taxable = 0 €
• Second bracket (10,778 € to 27,478 €, i.e., 16,701 €): 16,701 € × 11% = 1,837.11 €
• Third bracket (27,479 € to 30,000 €, i.e., 2,521 €): 2,521 € × 30% = 756.30 €

Total income tax before any reductions = 1,837.11 € + 756.30 € = 2,593.41 €

Withholding tax allows you to pay income tax directly when your income is received (salary, pension, etc.). This eliminates the delay between earning income and paying taxes and helps you manage your personal finances more effectively.

Withholding tax rate

The withholding tax rate is calculated by the French tax administration based on your income declaration. It is applied by your employer or the paying organization. You can choose between:

• The personalized rate: calculated based on your household income.
• The individualized rate: allows a couple to divide the tax burden differently.

After your first annual income declaration (in paper format), you gain access to the website. This portal allows you to review and adjust your withholding tax rate if the one automatically assigned by the government does not match your situation.

Practical example

An employee with a net taxable income of 20,000 € and a withholding tax rate of 5% will see a deduction from their salary each month:

• If their monthly taxable income is 1,666.67 €, they will pay 1,666.67 € × 5% = 83.33 €.
• Their monthly net salary after tax will be 1,583.34 €.

At the end of the year, the French tax administration adjusts the total annual tax based on actual income and the amounts already withheld. If you have overpaid, you will receive a refund. Conversely, if you have underpaid, you will need to pay the remaining amount.

In France, income tax is not calculated solely on your earnings — it also takes into account the size of your household. This system is called the quotient familial (family quotient). It allows you to pay less tax when you have dependents (spouse, children). Here is how it works in practice.

What is the quotient familial?

The quotient familial divides your taxable income by a number of tax shares, which depends on your personal situation. The more shares you have, the lower your tax. Here are the main scenarios:

• Single, divorced, or widowed with no children: 1 share
• Married couple or civil union (PACS): 2 shares
• Couple + 1 dependent child: 2.5 shares
• Couple + 2 dependent children: 3 shares
• Couple + 3 dependent children: 4 shares (a full share is added from the 3rd child onward)

How does it change the tax calculation?

Let's walk through a concrete example. A married couple with 2 children earns €50,000 net per year. Here are the steps (2026 tax scale):

• Step 1 — 10% standard deduction: Taxable income is first reduced by a flat 10% deduction for professional expenses. Taxable income = €50,000 − €5,000 = €45,000.
• Step 2 — Divide by shares: This couple has 3 shares. We divide: €45,000 ÷ 3 = €15,000 per share.
• Step 3 — Apply the tax brackets: On €15,000 per share, the first €11,600 is tax-free (0% bracket). The remaining €3,400 is taxed at 11%, i.e. €374 per share. Total tax = €374 × 3 shares = €1,122. By comparison, a single person with the same €50,000 income would pay €6,604 in tax — nearly 6 times more.

Special case: single parents

If you are raising your children alone (single parent), you get an extra half-share for the first dependent child. In practice:

• Single parent + 1 child: 2 shares (instead of 1.5 for a couple + 1 child)
• Single parent + 2 children: 2.5 shares
• This extra half-share is granted if you live alone and effectively support the child.

Good to know

The tax benefit from the quotient familial is capped by law. In 2026, the tax reduction is limited to €1,791 per additional half-share beyond the first two shares (or the first share for a single person). This means that for very high incomes, the benefit from having dependent children is the same regardless of salary level.

For more details on the quotient familial and its rules, visit the official French administration website.