An input device making little false sensing is provided. An input device capable of outputting a signal in which input data in a plurality of regions are combined is provided. The input device includes a first region and a second region which are provided so as to face each other. The input device includes a means for obtaining first positional data input to the first region, a means for obtaining second positional data input to the second region, a means for converting the second positional data into third positional data, a means for obtaining fourth positional data, and a means for outputting a signal in accordance with the fourth positional data.