2017
Exit
U.S. withdraws from Trans-Pacific Partnership (trade pact)
Exit
U.S. withdraws from Paris Climate Accord
2018
Exit
U.S. exits U.N. Human Rights Council
Exit
U.S. halts funding to UNRWA (Palestine refugee agency)
2019
Sabotage
U.S. boycotts WTO appellate appointments, crippling trade dispute system
2020
Exit
U.S. quits WHO during COVID
Exit
U.S. withdraws from Open Skies Treaty
Sanctions
U.S. sanctions the International Criminal Court
2021-24
Rejoin
Biden rejoins Paris Agreement
Rejoin
U.S. rejoins WHO
Rejoin
U.S. rejoins UNESCO (temporarily)
2025
Exit
Trump returns; U.S. initiates exit from UNESCO (again)
Exit
U.S. exits UNHRC (again)
Exit
U.S. exits Paris Agreement (again)