Here's the list of his biggest sellers (no features), someone with access to data gave me 2 months ago.
"Forever" - 3,610,000
"The Motto" - 3,371,000
"Hold On We're Going Home" - 2,770,000
"Best I Ever Had" - 2,657,000
"Take Care" - 2,484,000
"Started From The Bottom" - 2,397,000
"Headlines" - 2,261,000
"Find Your Love" - 1,854,000
"Over" - 1,648,000
"Make Me Proud" - 1,447,000
"I'm Going In" - 1,212,000
"Marvin's Room" - 1,052,000
"HYFR" - 1,049,000
"All Me" - 1,029,000
"0 to 100/The Catch Up" - 991,000
"Miss Me" - 859,000
"Fancy" - 821,000
"Up All Night" - 772,000
"Successful" - 618,000
"Crew Love" - 524,000
"Energy" - 496,000
"The Language" - 488,000
"Shot For Me" - 410,000
This would be much better at truly looking at his biggest hits. Young Money has never handled anyone's singles properly for chart positions to be the judgement.
LOL @ Usher not being an icon. I'm not gonna do this tonight.