I'll Be Lovin' U Long Time - Commercial Performance

Commercial Performance

"I'll Be Lovin' U Long Time" debuted at number 100 on the Billboard Hot 100 on July 18, 2008. In its second week, the song leapt twenty-one places, coming in at number seventy-nine, before reaching its peak of number fifty-eight the following week. The song debuted at number sixty-two on the Billboard Hot R&B/Hip-Hop Songs, Carey's 45th career entry on that chart, and has since peaked at number thirty-six. Similarly, it peaked at number thirty-six on the Hot R&B/Hip-Hop Airplay chart. The song peaked at number forty-three on the Hot 100 Airplay and at number twenty-seven on the Pop 100 Airplay. On the Pop 100 chart, the song reached number fifty. "I'll Be Lovin' U Long Time" debuted at number eighty-seven on the Canadian Hot 100, rising to number sixty-nine in its second week. The song remained on the chart for a total of four weeks.

Though not charting on the main single chart, the song managed to peak at number forty-one on the New Zealand Airplay Chart during the week of August 3, 2008. On the Japan Hot 100, the song peaked at number twenty-seven, and stayed only six weeks within the chart. On the Slovakian Singles Chart, "I'll Be Lovin' U Long Time" charted for a total of eight weeks, and peaked at number thirty-nine. The song debuted at number eighty-four on the UK Singles Chart due to digital sales, since it was only released as a promo single.