Statistics show that the safety of civil aviation flight has been greatly improved in recent years. For example, a country had 0.2 fatal accidents per 1 million flights in 2008, compared with 1.4 in 1989. According to the statistics of these years, the incidence of malignant accidents in civil aviation shows a downward trend as a whole. From this, it can be seen that it is becoming safer and safer to travel by air.
 In recent years, the probability of narrow escape in aircraft accidents is higher than before cannot reinforce the above conclusion.