As of 2025, citizens from 43 nations doesn't need visa to enter US
The US Visa Waiver Program (VWP) allows citizens of 43 countries, including the UK, Japan, Germany, and now Qatar, to travel visa-free for up to 90 days with ESTA approval. Romania and Bulgaria were removed in 2025 after a compliance review. The program simplifies travel but comes with restrictions, such as bans on work, study, or visits to restricted nations.