In the “UK Government Review of Commercial Spaceplane Certification and Operations Technical Report,” there is a fascinating section outlining the risks of aviation and spaceflight. It is worth quoting at length because it shows the risks people take in different types of flights, and the nearly complete lack of safety data involving the emerging field of space tourism.
The key excerpts are below. I’ve added emphasis to spotlight the key statistics.
Over the past hundred years, commercial aviation has evolved to the extent that, for public transport, operations involving ICAO-certified aircraft achieve a catastrophic failure rate better than 1×10-7. This means that catastrophic failure takes place less than once in every 10 million hours of flight.