[['low estimate', 'high estimate', 'type', 'location', 'date'], ['80000', '80400', 'mass suicide , murder', 'japan', '1945'], ['8000', '8000', 'mass suicide', 'mariana islands', '1944'], ['3000', '80400', 'mass human sacrifice', 'templo mayor , tenochtitlan', '1487'], ['960', '960', 'mass suicide', 'judea', '73'], ['913', '913', 'mass suicide , murder', 'guyana', '1978'], ['300', '1000', 'mass suicide', 'uganda', '2000 , march'], ['53', '53', 'mass suicide', 'switzerland , canada', '1994'], ['39', '39', 'mass suicide', 'california', '1997'], ['16', '16', 'mass suicide', 'france', '1995 , december 23']]
the highest mortality occured during world war 2 , in Japan and the Mariana Island
the highest mortality occured during world war 2 , in [ENT] and the [ENT]