thank u, next by Ariana Grande posts the biggest debut in history, she did that with 5 days of tracking week. The song's first week is also the most streamed song in a week ever. Before that, it was ' FEFE '.
The song debuted with almost 250,000 Pure Copies, selling almost twice the 2nd biggest debut by Taylor.
In-fact the song debuted at 1 On Billboard 200 (Albums Chart) making it the highest charting single on this chart.