Source: U.S. Department of State. Figures are as published; refusal rates are not individual odds of refusal/approval. Wait times are estimated appointment waits, not real-time.

Sources

Primary sources: U.S. Department of State Nonimmigrant B Visa Adjusted Refusal Rates by Nationality; U.S. Department of State Global Visa Wait Times. Country facts (population, capital, region) from World Bank open data where available. Passport mobility summaries, when shown, cite the listed official foreign-ministry or government source and are indicative only.