A method, performed by a computer, for event estimation, the method includes: executing a registering process that includes receiving a registration of a first word group including a plurality of words, each of which is associated with time, and storing the first word group into a memory; executing a calculating process that includes receiving a first time pointer that indicates a time point on a time axis, obtaining, among the plurality of words in the first word group, a first word associated with a time belonging to a predetermined range from the time point indicated by the first time pointer, and calculating, in accordance with the first word, an index value indicating likelihood of occurrence of a life event; and executing a display process that includes controlling display of the life event based on the index value.