recency

the fact of being recent, of having occurred a relatively short time ago; closeness of a past event to a later past time or to the present:The general nervousness during that period was mostly due to the recency of the great stock market crash.

the fact of being more recent than something else and therefore more salient or memorable (often used attributively):The data might be showing recency effects—that is, choices presented later were more likely to be selected by participants.