Use these data with caution, remembering that scientific and media coverage of shark attack during the early part of this century was far less inclusive than that today. The apparent drop in number of attacks in the 1970’s and 1980’s is in part reflective of the largely inactive state of the ISAF during those decades.

The ISAF welcomes unsolicited documentation of attacks from this time period.

Unprovoked Shark Attack Trends Worldwide Over the Past Century