The Six Official Languages: What UN Language Requirements Actually Mean

Almost every vacancy notice in the UN system carries a version of the same sentence: fluency in English is required, and knowledge of another official language of the United Nations is desirable. It is one of the most-read lines in international recruitment and one of the most consistently misread. The sentence is a screening criterion first — and the machinery sitting behind the phrase "official language" is far more precisely defined, and rewards proficiency by two quite different routes, than the wording suggests.

The confusion is worth clearing up, because the most common assumption about UN languages — that a second one simply means more money — is right in outline and wrong in every detail that matters. What follows sets out what the six official languages are, how proficiency is formally established, what it is worth on each of the two incentive tracks, and how large the market for language specialists really is.

What "official language" actually means

The six official languages of the United Nations are Arabic, Chinese, English, French, Russian and Spanish. Official status governs the languages in which the principal organs conduct business and in which documents and records are issued. It is a rule about the Organization's proceedings, not a statement about the linguistic profile of its workforce.

Distinct from this is the category of working languages, and the distinction is narrower than it once was. Under their respective rules of procedure, all six languages are both the official and the working languages of the General Assembly and its committees, and of the Security Council.^[1] What has not changed is the Secretariat, whose working languages remain English and French. That is the distinction that matters for reading vacancy notices: day-to-day operating languages in Secretariat offices are drawn from the shorter list, which is why English and French appear as hard requirements far more often than the other four, and why a francophone field office may treat French as essential rather than desirable.

Where the six came from

The arrangement is older than most of the system built on top of it. General Assembly resolution 2 (I), adopted on 1 February 1946, established Chinese, French, English, Russian and Spanish as the official languages, and designated English and French as the working languages.^[2] The five reflected the political settlement of the moment rather than any assessment of global usage.

Arabic came later and by a separate decision. General Assembly resolution 3190 (XXVIII) of 18 December 1973 added Arabic as an official and a working language of the General Assembly and its Main Committees.^[3] The staggered history explains an oddity that still surfaces in practice: language status has never been uniform across every organ, because each change was decided for a defined set of proceedings rather than for the system as a whole.

How proficiency is formally established

Within the Secretariat, language proficiency is not a matter of self-assessment or of external certification. It is established by examination under administrative instruction ST/AI/2021/1, "Language proficiency and language allowance", issued on 12 May 2021, which superseded ST/AI/2016/9.^[4] The examinations themselves rest on General Assembly resolutions 2480 B (XXIII) of 21 December 1968 and 50/11 of 2 November 1995, both concerned with achieving and maintaining linguistic balance in the Organization.^[5]

The instrument is the UN Language Proficiency Examination (LPE), offered in all six official languages and administered online. It assesses four sections — listening, reading, written production and interaction, and spoken production and interaction — and is graded against UN Level III, "Advanced", of the United Nations Language Framework, the Organization's own four-level scale, rather than against the Common European Framework of Reference.

The scoring structure rewards attention, because parts of it are eliminatory. Each section carries 25 points. A certificate requires a minimum of 15 points in each section and 65 points overall — but a candidate who falls below 15 in listening or reading has the writing and speaking sections left unmarked, and a candidate who falls below 15 in writing has the speaking section left unmarked.^[6] The pass thresholds are set in the examination announcement rather than fixed by the administrative instruction, so they should be read from the current cycle's documentation.

Who may sit it, and on what terms

Eligibility is gated on demonstrated preparation rather than intent. The LPE is open to those who have completed and passed the highest regular level of a UN language course — the Language and Communications Training Unit in New York, the Language Training Programme in Geneva, or a course endorsed by the duty station elsewhere — or who can document equivalent competence: at least two years of language study outside the United Nations, or regular use of the language for school or for work, the latter evidenced by a letter signed by both the immediate supervisor and the head of office.^[7] Where an appointment expires before the date of the written examination, a letter from the Executive Officer, or the head of administration at offices away from Headquarters, confirming the intention to extend beyond that date is required.

The population is also wider than the Secretariat. The LPE is provided to Secretariat staff at no cost, and is open to staff of other UN common-system entities — funds, programmes, specialized agencies and affiliates — on a cost-recovery basis, where the entity has joined the cost-recovery mechanism and its finance focal point has endorsed the candidate. Serving UN Volunteers may register for one official language a year; UN Community Volunteers and UN University Volunteers are not eligible. Individuals outside these groups may sit it where they were admitted to a UN language course and completed its highest level.^[8]

One administrative detail carries more weight than its size suggests. A staff member's mother tongue is recorded at recruitment in the official status file, only one language may be recognized as such, and the record cannot be changed afterwards. The LPE is waived in that language and cannot be taken in it — so a multilingual candidate's declaration at entry on duty permanently shapes which examinations remain available.

What a second language is actually worth

Here the common assumption breaks down, because there is not one incentive but two, running on separate tracks for the two staff categories. Both are set out in the salaries and allowances architecture described in UNjobnet's salaries and benefits reference.

The language allowance is the General Service track. Under staff rule 3.8, it is payable to staff in the General Service, Security Service and Trades and Crafts categories, and in the Field Service category up to and including FS-5, who hold a fixed-term or continuing appointment — temporary appointments are excluded — and who have established proficiency in at least two official languages by passing the LPE in one of them. A second language allowance follows for proficiency in a third official language, established by passing the LPE in two.^[9]

Accelerated within-grade increments are the Professional track, and they are the part most often missed. Staff in the Professional category and above who are subject to the system of desirable ranges have long been eligible, on establishing proficiency in a second official language, to move through the steps of their grade faster: at intervals of 10 months instead of 12 where the normal qualifying period for an in-grade increment is one year, and 20 months instead of 24 where it is two years.^[10] Which steps carry the one-year and which the two-year period is set by the salary scale in force, and step periodicity was itself revised with effect from 1 January 2017 — so the switch point should be read from the current scale rather than from an older table.

The lineage runs from General Assembly resolution 2480 B (XXIII) of 21 December 1968, through administrative instruction ST/AI/207 of 23 December 1971, to section 4.3 of ST/AI/1999/2. A number of exclusions applied throughout: staff on posts with special language requirements up to P-5, staff limited to service with a particular mission, office, fund or programme, staff on secondment away from a post subject to desirable ranges, and staff on special leave.

Its current application requires confirmation. ST/AI/2021/1 implements staff rule 3.8 — the language allowance — and does not carry the accelerated-increment provision forward on its face. That silence is not the same as abolition, and the position should be confirmed with the employing office or executive officer rather than assumed either way. What can be said plainly is that the Professional-category reward for a second language has historically taken the form of faster step progression rather than a separate allowance, and that anyone told flatly "Professional staff get nothing for a second language" is being given an incomplete picture.

Beyond the Secretariat, entities set their own arrangements, and some are more generous — a further reason to read the employing organization's own rules rather than to generalize from the Secretariat's.

Careers in language work, and the size of that market

A distinct route exists for those whose profession is language itself. The Secretariat recruits translators, interpreters, editors, verbatim reporters, terminologists, précis-writers and revisers principally through competitive examinations for language positions, held on average once every two or three years in each official language and occupational group. Successful candidates are placed on a roster from which vacancies in New York, Geneva, Vienna and Nairobi and the regional commissions are filled.^[11]

The linguistic bar is a tier above the LPE. Language staff of the Department for General Assembly and Conference Management are pitched at UN Level IV, "Expert" — the top of the United Nations Language Framework, above the Level III the LPE certifies.^[12] Translation examinations require a perfect command of the main language into which the candidate translates, the ability to translate from at least two other official languages, and a first-level university degree.^[13] The combination — not general fluency — defines employability here, which is why translation into a language is treated as a wholly different skill from conversation in it.

The market for these posts is small and worth sizing before committing years of study to it. Of 4,388 vacancies active on UNjobnet on 15 August 2026, 28 were language-specialist posts — about 0.6 per cent — counted by matching vacancy titles against translator, interpreter, reviser, terminologist and verbatim reporter, so the figure captures posts advertised as language work rather than posts that merely require a language.^[14] Over the preceding 60 days the site logged 571 searches for "translator".

Read as a targeting instruction rather than a verdict, that 0.6 per cent is useful. It says that language-specialist work is a specialist entry route with its own examination, its own roster and its own timetable, best approached deliberately and early — and that for the large majority of candidates the higher-yield strategy is to pair a language with a substantive profession, where it widens the set of duty stations and offices realistically in reach.

Misconceptions and clarifications

"The UN has six working languages." Closer to true than it once was, and still worth stating precisely. All six are official and working languages of the General Assembly and the Security Council under their rules of procedure. The Secretariat is the exception that matters for employment: its working languages remain English and French.

"A second UN language means higher pay." True in both categories, but by different mechanisms. General Service and related categories receive a language allowance under staff rule 3.8. Professional staff subject to desirable ranges have historically received faster within-grade increments instead — a change in the timing of progression rather than a separate line on the payslip.

"Professional staff get nothing for a second language." An overcorrection. The accelerated-increment track exists in the lineage from resolution 2480 B (XXIII) to ST/AI/1999/2, and its current operation is a question for the employing office rather than a settled negative.

"An external certificate proves proficiency." For the purposes of ST/AI/2021/1, proficiency is established by the UN's own examination and measured on the United Nations Language Framework. External qualifications may support an application or satisfy the two-year study route into eligibility, but they are not themselves the currency the instruction recognizes.

"Any strong speaker can simply sit the LPE." Eligibility is gated: the highest level of a UN or duty-station-endorsed language course, or documented equivalent competence. Registration is not open on the strength of fluency alone.

"Scarce languages are the way in." Scarcity of speakers does not translate into volume of posts. The language-specialist market is small, and the larger opportunity lies in pairing a language with a substantive profession — procurement, public health, finance — where it widens the range of duty stations open to a candidate.

What to do with this

Four practical implications follow, in rough order of how early they arise.

• Get the mother-tongue record right at entry on duty. It is declared once, limited to a single language, and cannot be changed later — and it permanently determines which examinations remain open.
• Match the language to the target geography, not to its global prestige. French carries disproportionate weight across West and Central Africa and in Haiti; Spanish across Latin America and the Caribbean; Arabic across the Middle East and North Africa. The right question is which language unlocks the duty stations and agencies where the substantive work sits.
• Confirm funding and endorsement before planning around the examination. It is free to Secretariat staff, but candidates from other common-system entities depend on their entity having joined the cost-recovery mechanism and on its finance focal point endorsing the registration.
• Plan around the annual cycle and the eligibility gate. The examination runs once a year, and eligibility usually requires completing the highest level of a qualifying course first — which places the real starting point a year or more ahead of the sitting.

A note on scope

This guide describes the arrangements of the United Nations Secretariat, and the incentive provisions in particular should be confirmed against current practice with the employing office. Language rules are not uniform across the wider international sector, and the variation is substantial. The European Union operates in 24 official languages, though its institutions work day to day mainly in English, French and German.^[15] The OECD works in two official languages, English and French, as does the Council of Europe under Article 12 of its Statute.^[16] Among the international financial institutions, English is the working language of the World Bank Group and, under its by-laws, of the IMF — while the European Bank for Reconstruction and Development works in four.^[17] Specialized agencies, funds and programmes likewise set their own official languages, proficiency tests and allowance policies. Entitlements in any organization should be confirmed against that organization's own HR policy portal and the governing instruction.

Key takeaways

• Six official languages; all six are working languages in the General Assembly and Security Council, but the Secretariat still works in English and French.
• Proficiency is established under ST/AI/2021/1 by the annual LPE at UN Level III, with eliminatory sections, a gated eligibility route, and a mother-tongue record fixed at recruitment.
• Two incentive tracks, not one: a language allowance under staff rule 3.8 for General Service and related categories, and accelerated within-grade increments for Professional staff subject to desirable ranges — the latter to be confirmed with the employing office.
• Language-specialist careers run through competitive examinations and rosters at UN Level IV, and demand a translating combination rather than general fluency.
• At roughly 0.6 per cent of live vacancies, language-specialist work is a deliberate, early-planned route; for most candidates a language pays off as a multiplier on a substantive profession.

Related reading

• Professional vs. General Service: the two sides of UN employment — the category divide that determines which incentive track applies
• Beyond the advertised vacancy: rosters, talent pools and structured programmes — how examination rosters actually convert into posts
• The UN Young Professionals Programme (YPP): a complete guide — the other major examination route into the system
• Which degrees open the most doors for UN careers? — how qualifications are weighed alongside languages
• How to decode the UN grading system — the grade and step structure the increment rules operate on

Read correctly, the language line in a vacancy notice is one of the more tractable requirements in international recruitment: defined by published instruments, measured by a known examination, and rewarded on a track that follows predictably from the staff category. For candidates weighing where to invest study time, the decisive question is not which language is rarest, but which language opens the duty stations where the substantive work is.

Current UN and international vacancies on UNjobnet →

Sources

1. United Nations, Rules of Procedure of the General Assembly, rules 51–59 (Languages), un.org; Provisional Rules of Procedure of the Security Council, chapter VIII.
2. General Assembly resolution 2 (I), 1 February 1946, Rules of procedure concerning languages.
3. General Assembly resolution 3190 (XXVIII), 18 December 1973, Inclusion of Arabic among the official and working languages of the General Assembly and its Main Committees.
4. ST/AI/2021/1, "Language proficiency and language allowance," 12 May 2021, policy.un.org.
5. UN Language Proficiency Examination (LPE) Policies and Guidelines, 2025, section 1, languages.un.org.
6. United Nations Language and Communications Training, "Language Proficiency Examination (LPE)," languages.un.org.
7. LPE Eligibility Determination (2024 criteria), languages.un.org; and ST/AI/1999/2, section 3.
8. LPE Eligibility Determination (2024 criteria), notes 1–2; and LPE Policies and Guidelines, 2025, sections 2–4.
9. Staff rule 3.8; ST/AI/1999/2, section 4.1; International Civil Service Commission, "When is a language allowance payable?", icsc.un.org.
10. ST/AI/1999/2, "Language proficiency and language incentives," 13 May 1999, sections 4.3–4.5, policy.un.org.
11. UN Department for General Assembly and Conference Management, "Exams for translators, verbatim reporters and editors," un.org/dgacm.
12. United Nations Language Framework: UN Levels of Language Competence and Core Curriculum, section 3.5, languages.un.org.
13. UN DGACM, "Competitive examination for English Translator/Précis-writers, Editors, Verbatim Reporters and English Linguists," un.org/dgacm.
14. UNjobnet analysis of the live vacancy corpus, 4,388 vacancies active on 15 August 2026; language-specialist posts identified by vacancy-title match on translator, interpreter, reviser, terminologist and verbatim reporter.
15. European Union, language policy, european-union.europa.eu.
16. OECD, terms and conditions; Statute of the Council of Europe, Article 12, coe.int.
17. World Bank Group language resources, worldbank.org; IMF terminology and language services, imf.org.

Last reviewed: August 2026. This guide is general information rather than official HR or financial advice — entitlements should be confirmed with the employing organization's HR and the governing UN instructions.