A navigation apparatus and a navigation-related information display method acquire a plurality of orbit data from a plurality of GPS satellites, pinpoint the current geographical position of the apparatus according to the orbit data and distance data on the distances from the plurality of GPS satellites, display the acquiring progress level until completely acquiring a plurality of orbit data sufficient for pinpointing the current geographical position, count the remaining effective time of the plurality of orbit data acceptable for pinpointing the current geographical position and display the remaining effective time by means of a level mark that is provided with a gradation.