Short answer
U.S. citizens aged 20 or older (at least 21 to be appointed and no older than 59).
Foreign Service Hiring Steps
- Register and choose a career track
- Take the FSOT
- Qualifications Evaluation Panel review
- Oral assessment
- Medical and security clearances, then suitability review
- Register placement and offer
Other federal hiring routes are covered in our civil service exam guide.
USA Foreign Service Officer Test: Quick Facts
- Employer
- U.S. Department of State
- Sections
- Job knowledge, English, logical reasoning
- Offered
- Quarterly (2026)
- Tracks
- Consular, Economic, Management, Political, Public Diplomacy
Free practice test
Test what you know
Random questions, instant scoring and an explanation for every answer.
Start the USA Foreign Service Officer Test practice test →More USA Foreign Service Officer Test questions
Disclaimer: This guide is for general information. Rules, fees and procedures can change. Confirm the current requirements with the official agency listed in the sources. Read our editorial policy.