Flowers outside the Queen Elizabeth II Centre in London, after seven people were arrested in raids in London, Birmingham and elsewhere linked to the Westminster terror attack.. Picture date: Thursday March 23, 2017. See PA story POLICE Westminster. Photo credit should read: Gareth Fuller/PA Wire

According to an ANU poll, more than half of Australian adults are concerned that we will be targets for terrorism. However, as Greg Austin has pointed out in The Conversation, "terrorist attacks in Australia have claimed the lives of only three people in the last decade".

Compare this terrorist risk to other risks in our lives: