A work support system of an embodiment of the present invention includes a list display control unit to display, on a display device, a first list including a plurality of unprocessed task indices and a second list including a plurality of processed task indices and a first moving display control unit to display, when attribution of one of the unprocessed task indices in the first list is changed to a processed task index, the task index, attribution of which is changed, in a moving manner from the first list to the second list, wherein the first moving display control unit displays such that the task index attribution of which is changed is visually recognized as passing behind the unprocessed task indices when displaying such that the task index, attribution of which is changed, passes a display location of at least the unprocessed task indices of other task indices.