IAESTE offers paid internships in STEM fields across 80+ countries. Students gain practical work experience, mentorship, cultural immersion, and professional development. Duration ranges 2–52+ weeks depending on host country. Applications open annually; eligibility: enrolled undergraduate or graduate students in technical fields.

RISE Germany provides summer research internships in STEM at German universities and research institutes. Participants collaborate with doctoral students, conduct experiments, and present results. Duration: 10–12 weeks. Applications open annually in autumn. Eligibility: enrolled undergraduate students in STEM fields with strong academic record.

UNICEF offers professional internships for students and recent graduates at offices worldwide. Interns gain practical experience in program development, communications, and humanitarian work. Duration: 6–26 weeks. Stipends and travel support may be provided. Eligibility: undergraduate or graduate students in international development, social sciences, communications, or related fields.

UNESCO offers internships in education, science, culture, and communication at HQ and field offices. Interns work on projects, policy support, and program implementation. Duration: varies, usually 3–6 months. Stipends may be offered depending on duty station. Eligibility: undergraduate and graduate students with relevant academic background.

UN Careers portal offers internships and volunteer positions globally across multiple UN agencies. Participants gain experience in international policy, humanitarian aid, research, and communications. Duration: 2–12 months depending on office. Eligibility: undergraduate or graduate students with relevant fields of study. Some offices provide stipends and travel support.

This internship offers hands-on experience in policy analysis, research support, reporting, and stakeholder engagement within an international working environment.

This internship focuses on digital communications, content creation, social media management, and campaign support within an international organization.

This internship supports development programs through research, project coordination, monitoring, and reporting activities.

This internship provides experience in data collection, analysis, visualization, and reporting to support research-driven projects.