A survey in 1993 indicated that 20% of travellers were avoiding the USA for fear of violence and robbery, with the USA being considered more dangerous than countries such as Argentina, Mexico, Thailand, and Turkey. That year the UK government advised travellers to avoid: Bosnia, Congo, Iraq, Liberia, Somalia, Western Sahara and Zaire. In 1994 the International Airline Passengers Associated listed as areas to avoid: China, South Korea, India, Colombia; Central African countries; and countries of the former USSR. Hazards cited included quality of air control; accidents; hijackings; airport and airline safety and security.
When traveling overseas, the exchange rate improves markedly the day after one has purchased foreign currency.