Number one in the United Kingdom for 11 weeks, and with a total of 1.8 million in sales to date, it far outstripped the sales of the summer's other big hits.
French Montana's Unforgettable ft. The song, which became a viral sensation, was streamed 103 million times after its debut.
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KUSA reports that many of them carried messages that read "Defend DACA" and "Our Dreams Can't Wait". Trump's daughter Ivanka Trump and son-in-law Jared Kushner had supported the Obama-era programme.
In third place was DJ Khaled's Wild Thoughts, which features Rihanna and Bryson Tiller and samples the 1999 Carlos Santana hit Maria Maria. William Singe is at No.4 (578,000). Liam Payne's first solo single Strip That Down ft. Quavo follows close behind at 5 (541,000).
Rita Ora claims the biggest song of the summer by a female artist with Your Song at No.8 (470,000), with Little Mix's Power at No.9 (460,000) thanks to a remix featuring Stormzy.
It was the biggest song of the summer after being number one for an impressive 11 weeks. Proceeds from the reissued track went to the We Love Manchester Emergency Fund in coordination with the British Red Cross.