In 2026, many countries offer "Transit Without Visa" (TWOV) programs, though they vary by nationality and duration. China is a major hub for this, offering 24, 72, and 144-hour transit stays for citizens of 54 countries (including the US, UK, and most of the EU) at major airports like Beijing, Shanghai, and Guangzhou, provided they have a confirmed ticket to a third country. Singapore offers a 96-hour Visa Free Transit Facility (VFTF) for specific nationalities (including India and China) if they hold a valid visa from countries like the US or Australia. South Korea allows many travelers to transit through Incheon without a visa for up to 30 days if they are heading to/from certain Western nations. In the European Schengen Area, most travelers do not need a transit visa if they stay in the international transit area of the airport and do not clear customs. However, some nationalities (e.g., from parts of Africa and the Middle East) may require an "Airport Transit Visa" even if they don't leave the terminal. Always verify with your specific airline, as rules can change based on current diplomatic relations.