Which band is the longest active band in the world with no breaks or line-up changes?

U2 is considered the longest active band in the world with no breaks or lineup changes because they have been consistently active since their formation in 1976, with the same four members: Bono, The Edge, Adam Clayton, and Larry Mullen Jr. This Irish rock band has achieved tremendous success and popularity over the years, releasing numerous chart-topping albums and performing sold-out concerts worldwide. Their longevity, consistency, and cohesive lineup have made them an iconic and influential band, earning them the title of the longest active band with no breaks or lineup changes.