The retirement pension is not calculated based on the last salary received, but rather on an average of earnings over a significant part of the career. Achieving 1,800 euros in retirement per month requires maintaining a certain salary level for several decades, and the outcome depends on the contribution scheme, the number of validated quarters, and the distinction between gross and net amounts.
Gross or net retirement: the 1,800 euros do not mean the same thing
Before any salary estimation, one must resolve an ambiguity. Are the targeted 1,800 euros gross or net? The gap between the two is not trivial.
The gross pension is subject to social contributions (CSG, CRDS, solidarity contribution for autonomy) before it reaches the bank account. For a retiree taxable at the normal rate, the difference between gross and net often exceeds several hundred euros per month. Therefore, aiming for 1,800 euros net requires a significantly higher career salary than aiming for 1,800 euros gross.
Official simulators generally display gross amounts. Any estimate found online should be viewed with this lens: an amount stated as 1,800 euros gross will not leave 1,800 euros in the account. Detailed calculations are available on the entire Monetyk site, with scenarios based on professional status.
Average annual salary and quarters: the two variables in calculating the basic retirement
For private sector employees, the basic retirement is calculated by Social Security according to a formula that combines three elements: the average annual salary, the liquidation rate, and the insurance duration.
The average annual salary corresponds to the average of the best years of earnings (the 25 best for private sector employees born after 1947). Only earnings subject to contributions, within the limit of the Social Security ceiling, are taken into account.
The maximum liquidation rate, known as the full rate, is set at 50% for the general scheme. To obtain it, one must have contributed a sufficient number of quarters or reached a certain age. Each missing quarter results in a reduction that permanently decreases the pension.
In practice, the basic retirement alone cannot reach 1,800 euros per month for a private sector employee. The Social Security ceiling limits the salary taken into account, and the 50% rate divides this amount by two. The basic retirement serves as a foundation, but it is the supplementary pension that determines whether the total will reach 1,800 euros.
Share of the Agirc-Arrco supplementary retirement in the total amount
This is a point that many projections overlook. For a private sector employee, the Agirc-Arrco supplementary pension can represent between 30% and 60% of the total pension, depending on the salary level throughout the career. The higher the salary exceeds the Social Security ceiling, the larger the supplementary share grows.
The mechanism relies on a points system. Each year, the contributions paid are converted into points according to a purchase value. At the time of departure, the total number of accumulated points is multiplied by a service value, which evolves according to agreements between social partners.
Why the current salary is not enough to estimate the supplementary pension
An employee who earns a good salary today but spent ten years at the beginning of their career with modest income will have accumulated few points during that period. The number of points reflects the entire salary trajectory, not just the last years. Two people with the same current salary can therefore have very different supplementary pensions.
The revaluation of the supplementary pension adds another variable. Agirc-Arrco revalues its pensions in November, independently of the basic retirement revalued in January. The gaps between these two schedules can alter the pension received from one year to the next.
Estimation of the salary needed to reach 1,800 euros in retirement
The concrete case analyzed by Cadremploi with a retirement consultant at Mercer France provides a benchmark. The profile studied is that of a woman born in 1966, who has worked in the private sector with a full career, for a full-rate retirement of about 1,800 euros in 2027.
This type of profile assumes several conditions met simultaneously:
- A long career without significant interruption, with a sufficient number of quarters for the full rate
- A gross salary maintained above a certain threshold for most of the working life, including during the 25 best years
- A regular accumulation of Agirc-Arrco points, which implies a salary exceeding the Social Security ceiling for part of the career to increase the supplementary pension
Estimates by status show significant discrepancies. With a net salary of 1,800 euros per month throughout the career (approximately 2,340 euros gross), a private sector employee can expect a total net pension around 1,250 to 1,350 euros. To achieve 1,800 euros net in pension, the average career salary must be significantly higher.
Civil servants and self-employed: distinct calculation rules
Civil servants benefit from a calculation based on the last six months of index pay, which favors those whose remuneration increases at the end of their career. With a pay equivalent to 1,800 euros net, the estimated pension is higher than in the private sector, around 1,450 to 1,500 euros net.
Self-employed and freelancers, contributing to less generous supplementary schemes, end up with the lowest estimates: between 1,050 and 1,150 euros net for a monthly income of 1,800 euros net. For this status, reaching 1,800 euros in retirement without supplementary savings is very difficult.
Revaluation of pensions and instability of long-term projections
Any pension estimate is a snapshot at a given date. Basic pensions are usually revalued in January, Agirc-Arrco in November. These revaluations do not always follow inflation: proposals to freeze or under-index pensions beyond a certain threshold regularly resurface in budgetary debates.
In practice, a pension estimated at 1,800 euros today may be worth less in purchasing power in five years if the revaluations remain below price increases. This parameter is beyond individual control, but it weighs heavily in the financial reality of the retiree.
The salary needed to achieve 1,800 euros in retirement is therefore not a fixed figure. It depends on the status, career duration, overall salary trajectory, and the revaluation rules in effect at the time of departure. The only certainty: the more fragmented the career or the less covered the status in supplementary pension, the higher the required salary.
