International Mathematical Olympiad vs Physics Team (U.S. Physics Olympiad)

Comparing two elite STEM opportunities. Both are olympiads for high school students.

International Mathematical Olympiad Physics Team (U.S. Physics Olympiad)
Prestige Tier Tier 1 — Elite Tier 1 — Elite
Type Olympiad Olympiad
Organization IMO Official American Association of Physics Teachers (AAPT)
Acceptance Rate Extremely competitive; approximately 0.01-0.1% of high school students worldwide reach IMO. For USA: ~6 students selected from 300,000+ AMC participants annually
Applicants Approximately 5,000-6,000 contestants from 100+ countries compete at IMO annually. USA sends 6 representatives from ~300,000 AMC 10/12 participants
Deadline
Cost to Apply Free $0
US Only No / International Yes
Grades High school students only; typically grades 9-12 (ages 13-19)
College Impact Extremely positive and highly prestigious. IMO medalists (especially gold) are exceptionally rare and highly valued by top universities globally. Impact includes: (1) Gold/Silver medalists essentially...