Bruno Mars holds an overwhelming market edge for Spotify’s top artist in May thanks to sustained streaming dominance that carried him through the month with roughly 138 million monthly listeners. His February 2026 album The Romantic and breakout singles such as “Risk It All” and “I Just Might” fueled consistent global chart leadership, supported by high-profile collaborations including “Die With A Smile” with Lady Gaga. This momentum created a near-lock on the final May 31 tally. An upset would require an unforeseen late surge from challengers like Justin Bieber or The Weeknd that reversed the established listener gap, though no such shift materialized before the month closed.