estimate (easily) how much you will pay using the official simulator

No need to wait for your 2023 income declaration, which will kick off at the beginning of April, to find out how much you will have to pay (or not) in 2024. The official 2024 tax simulator is online. You can precisely estimate the tax payable and the impact of changes to the progressive scale.

The General Directorate of Public Finances (DGFiP) has just put the official 2024 income tax simulator. This new version obviously takes into account the annual update of the progressive tax scale. And therefore the 4.8% revaluation of the tax thresholds, a revaluation following inflation, synonymous with a reduction in tax if your income has not changed.

2024 tax on 2023 income – Index scale 4.8%
Income bracket by tax shareRate applicable for the tranche
Up to 112940%
From 11295 2879711%
From 28798 8234130%
From 82342 17710641%
More than 17710645%

Barme included in the finance law for 2024.

Taxes: how much less will you pay in 2024 with an inflation index scale?

Like every year, the tax administration offers a simplified version as well as a complete model containing the basic declaration and certain specific annexes for taxpayers receiving self-employed, self-employed, agricultural income, for associations of companies, etc.

To anticipate your balance, your TMI or your future tax rate the source

Please note: the simulator updated to the 2024 scale (for 2023 income taxation) allows you to anticipate the annual amount of tax to be paid this year, but also to estimate your marginal tax rate, which appeared for the first time on your tax notice in 2023.

This simulator also allows you to anticipate the withholding rate at source which will apply to your income from September 2024 during the next automatic rate update.

Simple reminder of a mechanism now in place, 5 years after the implementation of the withholding tax: the withholding tax carried out in 2023 is an advance on your future 2024 tax on 2023 income. So you have already paid most of your 2024 tax.

The balance paid (or the overpayment reimbursed by the DGFiP) will be regularized in the summer of 2024, following the declaration of income. The online simulator allows you to anticipate the amounts obtained during this annual declaration. And therefore to anticipate what you will have to pay at the end of the summer, or conversely what the tax authorities will reimburse you at the end of July.

Taxes: here are 3 increases and changes that await you in 2024

MoneyVox’s income tax calculator

MoneyVox also has its own income tax simulator. Originality: this calculator was specifically created to help you understand the taxation applicable to different investments and savings products. It is accessible free of charge: simply subscribe to one of our newsletters.

Access the

The 2024 declaration calendar

Like every year, the income declaration will take place in the spring. Certain dates are already circulating on specialized information sites. Are they noted in the diary? No. We have not yet communicated on these dates, all this is still being validated, replies the DGFiP MoneyVox. Last year, dates incorrectly listed on many sites turned out to be wrong.

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