find out in advance how much you will have to pay

In a few weeks, you will have to make your 2024 income declaration on 2023 income. In the meantime, it is possible to know what the annual amount of your tax will be using the official DGFIP simulator.

In January, the General Directorate of Public Finances (DGFIP) put online its 2024 income tax simulator which takes into account the new progressive tax scale. As a reminder, the tax thresholds benefit from a revaluation of 4.8% This increase decided according to inflation is synonymous with a tax reduction if your income has not changed between 2022 and 2023.

Like every year, the DGFIP offers a simplified version and a complete model containing the basic declaration and certain specific annexes for those earning self-employed, liberal, agricultural income or even for associations of companies.

Income tax: here is the amount you will pay to the tax authorities in 2024

What information does the simulator provide?

Thanks to the simulator, the taxpayer can anticipate the annual tax amount settle this year and to estimate its marginal tax rate (appearing for the first time on your tax notice in 2023).

The simulator also allows to anticipate the rate of withholding at source which will apply from September 2024, during its next automatic update. As a reminder, this new rate is calculated on the basis of your 2023 income, those that you will declare in the spring. If your resources have changed significantly in 2024, you will be able to request a downward adjustment of your withholding tax, if the new amount of source tax falls by 5%, or an increase.

Until when will you be able to declare your income?

You don’t know when you will be able to declare your income? Do not panic. If the start date is not yet known, the deadlines have been set. They differ depending on the departments. Here they are:

Taxes 2024: here are the deadlines for the income declaration