The State Department's adjusted refusal rate for visitor (B) visas in FY2025 was 42.2% for Ecuador, the highest of these 6 big countries, and 20.9% for Peru, the lowest.
All 6: Ecuador 42.2%; Guatemala 39.2%; Dominican Republic 36.4%; Philippines 30.8%; Turkey 22.3%; Peru 20.9%. About 58% of Ecuador applicants were approved, against about 79% for Peru.
A refusal rate is a group figure for one year. It cannot tell what will happen to one person, and each case is decided on its own facts. Source: U.S. State Department. Unofficial.
See more: all refusal rates and the visitor visa guide.