The Centre national de la recherche scientifique (CNRS) is the major funding body in France. With nearly 32,000 staff members it is bigger than the US NIH and US NSF combined, yet only has a 1/10 of the budget.

Both CNRS and NIH have multiple institutes (although the NIH institutes are all health related and CNRS covers a range of science). The CNRS then has 952 mixed research units, 32 proper research units, 135 service units, as well as 36 international units while the NIH has a large number of intramural labs.

What are these different research units and how are they staffed (full time researchers or academics with other teaching duties)? Is it at all like NIH intramural labs or MRC centres?

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    This question might well have been asked in response to the following discussion on meta: academia.meta.stackexchange.com/questions/3895/…
    – user2768
    Dec 11, 2017 at 14:12
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    It's important to note that the NSF and NIH employ many researchers indirectly; these agencies make grants to universities with the intention that the universities use the money to employ researchers. For various legal, political, and cultural reasons, indirect employment is frowned on in France, so, instead of giving universities money to employ researchers, the CNRS employs researchers directly and assigns them to work at universities. Dec 11, 2017 at 17:21
  • @AlexanderWoo I think that is the real answer I am looking for. It is a very different model from the US and UK and really any other system that I am familiar with. Maybe you will write something up. I am happy to move the green tick.
    – StrongBad
    Dec 11, 2017 at 17:28
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    You can't even compare CNRS with NSF. NSF is a funding agency but doesn't do research directly. Dec 11, 2017 at 18:47
  • @user4050 that sounds like a comparison to me ;) The NIH on the other hand does do research, which is why I focused on those more.
    – StrongBad
    Dec 11, 2017 at 18:56

3 Answers 3


Wikipedia is your friend. Read the CNRS wikipage, and look at CNRS official website.

CNRS is the largest public pure research organization in France, with a staff exceeding 31000 persons, located in many geographical areas in France; many CNRS teams share office buildings with e.g. some French universities; several French research teams (UMR) have mixed staff, some funded by a University, and some other funded by CNRS, perhaps even working in the same office room on similar research. Getting employed by CNRS is really very hard, and there is a lot of competition. BTW, CNRS researchers are not very well paid, and most of them are not only very competent, but generally passionate about their research. They are not (contractually) tenured members of some University, even if most of them do teach a few courses somewhere (in addition of their researcher work), either at some University or at some Grande Ecole.

It's supposedly some unknown research center somewhere in Europe

CNRS is the largest basic research agency in Europe (mostly funded by the French public State budget). It is French (even if of course it gets some research grants from outside, e.g. from French ANR or European Commission's H2020...)

CNRS researchers are working in all kind of science and research (e.g. biology, history, computer science, physics, sociology, paleontology, chemistry, mathematics, etc etc etc ....). Most of them have at least a PhD (doctorat d'université), usually even their HdR (habilitation à diriger des recherches). Even if CNRS researchers are French civil servants, they are not all French citizens (even if most of them are).

There are some other public (French state owned) organizations in France doing research, e.g. INRIA, INRA, CEA, INSERM, (and dozen of other smaller research institutions) etc... Unlike CNRS, these other organizations are usually dedicated to some specific science or technological domain, and usually work on applied research.

Online material on the cnrs isn't helpful at all

Why do you say that? The Overview page of CNRS website is quite informative (and looks quite objective to my French citizen eyes)! And the CNRS wikipage gives a complementary look.

French economy is not used to fund research (in the sense that private corporations in France spend much less money in funding research, notably in public labs, than their counterpart in the USA or even in Germany). So the funding of French research works differently from North American country (and is lower, in terms of percentage of GDP).

BTW, I don't understand well what the NSF exactly is in the USA. My perception is that it mixes the role of CNRS and of ANR in France.

  • E.g., another national research institute is the LNE.
    – Massimo Ortolano
    Dec 9, 2017 at 11:14
  • Indeed, but I won't list in my answer above all French-state owned research organizations. LNE is about 40 times smaller than CNRS. Dec 9, 2017 at 11:16
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    Basile - to understand the American situation, you need to understand something about American employment law. In the general economy, employment is at will; at least in theory, most employers can dismiss any employee without compensation at any time. One major exception is anti-discrimination legislation that prohibits dismissal whose major cause is an employee's race, religion, gender, age, or sexual orientation. Another major exception is direct employees of the government, who have civil service protections. Dec 11, 2017 at 17:27
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    To make it easier to change the government budget, the government tries to avoid (not just in research, but in many areas) directly hiring employees. Instead of hiring someone as an employee of the government, the government pays a university to provide research services, with the bulk of the payment to the university going to salaries and support costs (office space, et c) of the researchers. This way, if the government decides to reduce research funding, it can end these contracts with universities, leaving the universities free to fire the researchers if they wish. Dec 11, 2017 at 17:32
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    In contrast, in France, a university cannot just fire a researcher or reduce their salary (or even drastically change their duties) if the government decides to stop paying the university for research services. Hence the university is not willing to take on the risk of being the researcher's employer, and the government is forced to directly hire the researcher instead. (This is a little simplistic, since French universities are more like part of the government than US universities, many of which are essentially independent even if they are government-funded.) Dec 11, 2017 at 17:38

CNRS research units, also called laboratories, are of several kinds:

  • The 952 Unites Mixtes de Recherche ("Mixed Research Units", UMR) are run in association with another institution, for example a university, or another research agency such as Inserm, INRA... They are created by a contract between CNRS and the other institution for a five year duration (renewable). They are staffed by CNRS personnel and by the other institution's personnel. They are typically headed by a university professor or a CNRS directeur de recherche (research director, senior scientist), who presides over a laboratory council which has statutes, internal rules and regulations. Besides the researchers themselves, CNRS (and the other institution) also employs technical and engineering staff, as well as temporary staff (postdocs, PhD students) which are members of the laboratory.
  • The 32 Unités Propres de Recherche ("Proper Research Units", UPR) are fully run by the CNRS. They are staffed by CNRS personnel. Other than that they are similar to UMRs.
  • The 36 Unités Mixtes Internationales ("Mixed International Units") are international research units, created by a contract with a foreign institution. I don't know much about them but I expect that they are run similarly to a UMR.
  • The 135 Unités de Service ("Service Units") are support units for other research units. An example would be a celestial observatory, who provides services for e.g. astrophysics research labs. It is also created by a contract between CNRS and another institution for a fixed duration, renewable.
  • Finally, there are 126 public-private research structures, run in collaboration with private companies. Some of them are mixed research units (cf. above), but most (110) are simply common laboratories, which are created on a contract basis for 4 years.

Each of these is part of one of the ten national institutes of the CNRS (biology, chemistry, ecology and environment, human and social sciences, information and computer science, engineering and systems, mathematics, physics, nuclear and particle physics, universe sciences). Each unit is overseen by one of the 18 regional delegations.

CNRS researchers are hired on a national basis by the national committee for scientific research (CoNRS). More precisely, they are hired by one of the 41 sections of the CoNRS (which are sub-subdivisions of the 10 national institutes), each one composed of elected members and appointed members (by the ministry as proposed by CNRS). After being hired during the yearly national admission campaign, a researcher is posted in a research unit (of any kind), and may move to another after some years.

They are automatically tenured, like all French civil servants, and their missions, duties and responsibility are roughly equivalent to those of an associate professor (for junior scientist) or full professor (for senior scientists) — the main obvious difference being the lack of teaching.

More information can be found in Wikipedia, the website of the CNRS, or, if you are courageous, French law (here is the law defining the status of CNRS employees) – indeed, recall that CNRS is a public research agency, its employee are civil servants, and its mission and its organization are defined by law.

The comparison with the NSF is a bit misleading. As far as I understand the NSF does not directly employ researchers but instead funds university to hire them through grants. This would be closer to what the National Research Agency (ANR) and the European Research Council (ERC) are doing.


As requested, I'm turning several of my comments into an answer. Please note I'm giving quite a superficial view - both because I don't know much more and because a detailed analysis would be too long for an answer.

To understand the CNRS, you really need to understand the French legal, political, and cultural context. France has very strong protections for permanent employees of any organization. It is essentially impossible to fire anyone. I vaguely remember reading somewhere that Pan Am, the airline that went bankrupt 20+ years ago, still to this day has employees staffing counters at Charles de Gaulle airport (with no customers) because it would not be worth the trouble to close down and fire them. I might remember wrong, but feels like a reasonable exaggerated version of the truth. It is also very hard to reassign the basic duties of an employee. If their original contract says their job is to do X, then the employer cannot start asking them to do Y instead.

In the US, most of the NSF and NIH budgets are used to indirectly employ researchers. The NSF/NIH contracts with universities, paying the university to conduct research. The university in turn uses the money to employ researchers and pay their salaries (as well as pay for their office space, staff support, et c). If the US government decides to reduce research funding, the university can fire the researchers, or at least reassign them to other duties such as teaching classes. (Note that employees of the US government do have civil service protections that make them harder to fire, so it would be harder to reduce or reallocate research funding if researchers were hired directly by the government.)

In the context of French employment law, no university (or any other entity) would be foolish enough to employ someone they can't fire (or even reassign their duties) when the funding for their position is temporary! Hence, the government is essentially forced to directly hire researchers (and assign them to work at universities) rather than giving funds to universities to hire researchers. (This is not quite right, because the ordinary French universities (i.e. excepting the Grandes Ecoles) are much closer to being part of the government than in the US, where even universities that receive government funding are usually quite independent.)

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    Just to clarify, it's not "essentially impossible" to fire anyone; it's essentially impossible to fire anyone for no reason – your story about Pan Am is very much exaggerated... It is, however, essentially impossible to fire civil servants at all, and this includes university professors and CNRS researchers alike.
    – user9646
    Dec 12, 2017 at 8:27
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    CDG airport has a list of airlines which have counters in their terminals, and of course Pan Am is not there. A bankrupt company which has to keep people employed is nonsense. Dec 12, 2017 at 8:47
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    This answer is mostly based on myths and does not provide any insight on the issues raised by the OP. Firing people in private sector organisations isn't difficult at all. There is a bit a of paperwork and some costs but it can be done easily. Firing people in public sector organisations is more complicated. The legal protections are actually very thin (public sector workers don't even have a contract and certainly aren't subject to French “employment law”). Instead, they are protected by unions and the bureaucratic nature of the organisations.
    – Relaxed
    Dec 12, 2017 at 12:49
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    But the truth is that strong protections for academic staff is an integral part of the European university model. It's just as true for US universities (cf. the concept of tenure), other European research institutes, etc. They do not routinely downsize based on the vagaries of the budget. Meanwhile, French research institutions, just like their counterparts in other European countries, are choke-full of research staff on temporary assignments. That's how research teams grow and shrink everywhere so that doesn't really shed any light on the CNRS in particular.
    – Relaxed
    Dec 12, 2017 at 12:54
  • @Relaxed French public workers are certainly much more protected than their colleagues in the private sector. Instead of a contract and "employment law", their status is defined by the law, which is harder to change than a mere contract... A contract can be revoked, but you cannot un-name someone from a position! It's possible to fire a public worker, for a very limited set of circumstances, and even then it has to be pronounced by an ad-hoc commission with representatives from the State and from the workers – the boss can't just willy-nilly say "you're fired".
    – user9646
    Dec 12, 2017 at 13:45

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