United Nations Assessment Tests

Founded in 1945, the United Nations (UN) is an organisation that brings countries together to discuss common problems and find shared solutions that benefit humanity. The UN is made up of six principal organs: the General Assembly, the Security Council, the Economic and Social Council, the Trusteeship Council, the International Court of Justice and the UN Secretariat.

  • Assessments vary by role
  • 10 practice tests in the United Nations pack
  • 100 questions, all solved
Who United Nations is
Employees
10,000+
Head office
New York, US

What are the United Nations tests?

The United Nations uses a variety of tests in their hiring process to evaluate a range of skills, including logical reasoning, situational judgment, and understanding of international relations.

United Nations application and assessment routes

Use the route that matches your vacancy. The guidance below identifies the programme or location it covers.

UN Secretariat vacancies

Job-specific assessment and panel interview

Shortlisted applicants may face a written test through UNOETS, a recorded video interview, work samples or another job-specific exercise. A panel interview may follow. The invitation gives the format and instructions. YPP and other examination programmes have separate eligibility and exam arrangements.

Process sources checked 11 September 2026 · Your invitation takes priority for role and location details.

Try a numerical reasoning question

Compare electricity use across sites, using the correct year as the percentage-change base. This is independent practice from Practice Aptitude Tests, not an actual United Nations assessment question.

Free numerical reasoning test: practice question
01 / 01Percentage changeMediumPractice Aptitude Tests

Which site recorded the largest percentage change in electricity use from 2023 to 2024, counting increases and decreases alike?

Electricity use (MWh)bar chart. Electricity use (MWh). Site A: 2023 (MWh) 2400, 2024 (MWh) 2160. Site B: 2023 (MWh) 800, 2024 (MWh) 900. Site C: 2023 (MWh) 1500, 2024 (MWh) 1620.05001000150020002500Site A, 2023 (MWh): 2400Site B, 2023 (MWh): 800Site C, 2023 (MWh): 1500Site A, 2024 (MWh): 2160Site B, 2024 (MWh): 900Site C, 2024 (MWh): 1620Site ASite BSite CElectricity use (MWh)2023 (MWh)2024 (MWh)
Annual electricity use by site (MWh). Illustrative practice data.
View the exact figures
Annual electricity use by site (MWh)
Site2023 (MWh)2024 (MWh)
Site A2,4002,160
Site B800900
Site C1,5001,620
Total4,7004,680
Show worked solution

Percentage change is measured against the starting year, so every base here is the 2023 figure. Site A: 240 ÷ 2,400 = 10.0% decrease. Site B: 100 ÷ 800 = 12.5% increase. Site C: 120 ÷ 1,500 = 8.0% increase. Site B has the largest change at 12.5%. Site A attracts anyone comparing raw MWh, because it moved furthest in absolute terms (240 MWh), but it started from a base three times Site B’s. Site C attracts the same mistake narrowed to the sites that grew: its 120 MWh rise is the largest increase in MWh, yet against a 1,500 MWh base it is only 8.0%. The same-percentage answer is what you get by dividing each change by the 2024 figure instead of the 2023 one: 240 ÷ 2,160 and 100 ÷ 900 both give 11.1%, an exact tie. That is the wrong base: the question asks for the change from 2023, so 2023 is the denominator.

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Careers at United Nations

If you are motivated by making a difference, want to be part of a cause bigger than yourself and love to travel, you might want to consider a career at the UN.

Staff who work at the UN have been awarded the Nobel Peace Prize more than ten times; it is widely considered to be an inspiring place to work. Read on to find out how to land a job at the UN.

It’s helpful to visit the UN careers page and do your research before you consider applying for a job at the United Nations.

The current UN Values and Behaviours Framework identifies inclusion, integrity, humility and humanity. Its five behaviours are connect and collaborate; analyse and plan; deliver results with positive impact; learn and develop; and adapt and innovate.

Use the evaluation criteria in your vacancy to select relevant examples from your experience.

United Nations online application

The application process itself is straightforward. You create a profile and fill out an online application, highlighting your experience and relevant skills. You must also write a motivation statement, which is a chance to explain why you want to work at the UN.

At this stage, attention to detail is crucial (as with any online application). Ensure you spell-check and proofread everything before your final submission.

United Nations Assessment Exercise

For a UN Secretariat vacancy, shortlisted candidates may be invited to a job-specific assessment. This can be a written test on UNOETS, a recorded video interview, work samples or another exercise. The invitation confirms the format. Separate examination programmes, including YPP, have their own requirements.

Recruiters will use the results from these assessments to decide whom to shortlist. Typically only the top performers will be moved forward into the next stages of the hiring process. It is therefore essential to practice tests beforehand and prepare yourself for the format.

United Nations written exam and case study

The written test is a timed assessment and will be based on a subject relevant to your role. Its purpose is to assess knowledge and mastery of the subject matter, technical skills, and your ability to work under pressure. You might, for example, be asked to summarise a long report or write about a subject.

The case study requires analytical ability: typically you will be asked to analyse some information and draw a conclusion from it.

United Nations simulation exercise

The UN simulation exercise is a way to assess how candidates might perform in a real work situation. The exercises are role dependent but will test your skills and abilities to cope with complex situations: competencies that the UN looks for when hiring candidates.

Depending on the role, a simulation may involve a work-related problem where problem-solving and teamwork are required. Practicing situational judgement tests (see below) can help improve your performance with these types of tests.

United Nations personality assessment

If your invitation includes a personality assessment, follow its instructions and answer honestly. It is not listed as a universal stage for all UN Secretariat vacancies.

Personality questionnaires ask about your usual preferences and behaviour rather than factual knowledge.

How well you work as a team, adapting to change and how easily you learn information are three core areas the personality assessment looks at.

United Nations verbal reasoning test

A verbal reasoning test assesses how a candidate comprehends important information. This type of test is in a multiple-choice format and timed. You’re provided with a passage of text you must read (no prior knowledge required) and you must decide whether what you have read is either ‘true’, ‘false’ or ‘cannot say’.

United Nations numerical reasoning test

For roles that involve mathematics, you might be asked to participate in a numerical reasoning assessment. It can be useful to sharpen your math skills and practice numerical reasoning tests beforehand to increase your score.

A numerical reasoning test comprises multiple-choice questions that test how adept you are at dealing with a variety of different mathematical problems. There is an additional pressure to answer these questions quickly, since you are under timed pressure.

United Nations situational judgement test

A situational judgement test is a useful test to practice, as you will be asked a variety of questions that involve using your initiative and logic to make good decisions.

Once again, the test is multiple choice and requires you to rank your preferred and least preferred choice in a variety of realistic work situations.

The UN will be looking for good decision-makers and people who can make smart choices under difficult circumstances.

United Nations competency-based interview

The format of the competency-based interview will be done via telephone, video conference, or in person. The interviewer wants to know more about your skills, attributes and behaviours.

Questions in a competency-based interview might include:

  • Tell us about a situation when you went above and beyond expectations
  • Give an example of a time when you solved a challenge
  • Tell us about a time where you had multiple tasks, and how you prioritised them

To structure your answers effectively, use the STAR method (Situation, Task, Action, Result).

United Nations test tips

  1. Stay Informed

    Keep abreast of global issues and news, as UN jobs often require awareness of international affairs and diplomacy.

Frequently asked questions

What candidates ask us most often

Are the United Nations tests hard?

The difficulty of the United Nations tests can vary depending on the position and your familiarity with the subject matter. However, they are designed to measure the aptitude of potential candidates accurately.

How do I prepare for United Nations tests?

The best way to prepare for United Nations tests is through diligent practice. Practice Aptitude Tests offers an array of practice tests to help you prepare effectively for the real ones.

How long does the recruitment process take at United Nations?

The recruitment process at the United Nations may vary in length depending on the role and level of competition, but it usually involves multiple stages over several weeks or months.

What are United Nations's core values?

The UN Values and Behaviours Framework identifies inclusion, integrity, humility and humanity. Read the evaluation criteria in your vacancy to understand how to demonstrate relevant behaviours.

Reviews

Rated 4.9 out of 5 across 71 reviews. A selection:

Good

Liked the clear structure, direct link between text and questions, and topic variety.Disliked tricky repetitive phrasing and lack of nuance in answers.Overall, it tests careful reading and attention to detail effectively.

Its important to take your time to read, internalize and understand the question before jumping the gun to answer

The paragraphs are a little too long and with a a timed exams it might give one the pressure to overrule some details and skip straight to the questions. Generally it provides a great opportunity to test comprehension and judgement skills.

Logical queries

the questions are quite logical, I liked that they made me think critically per a minimal time-interval.

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