The United Kingdom has had six prime ministers over roughly the past 11 years, reflecting a period of frequent leadership change at Downing Street. Coverage discusses the pattern of turnover across successive governments and links it to major political events and internal party strains, including the post-Brexit era and disputes within the Labour Party. The reporting also compares the length of current Labour leader Keir Starmer’s time in office with those of previous prime ministers, noting his tenure is measured at 717 days. The articles frame the figure as part of a broader look at how quickly leadership transitions have occurred in recent UK history and reference the possibility of another change, describing a “seventh now on the horizon.” While details of all prior prime ministers are not included in the provided excerpts, the common thread across sources is the count of six prime ministers in 11 years and the emphasis on where Starmer’s time at the top falls within that sequence.