"Are You Happy Now?" debuted at number 91 on the US
Billboard Hot 100 on the week ending May 31, 2003. It entered the top 40 three weeks later, marking Branch's fifth consecutive top-40 hit. It spent a total of 20 weeks on the Hot 100. On other
Billboard charts, it peaked at number four on the
Mainstream Top 40 and number three on the
Adult Top 40 charts, respectively, marking Branch's fourth top-10 hit on the former and her fifth top-10 hit on the latter. "Are You Happy Now?" also charted worldwide. It peaked at number 31 on the
UK Singles Chart, marking Branch's fourth top-40 hit in the United Kingdom. The track peaked at number 81 in France, becoming Branch's second entry on the chart, after "
Everywhere" reached number 60 a year prior. It spent a sole week at number 49 on the
FIMI singles chart in Italy. In Australia, the song entered at number 41 on the week ending June 29, 2003, and spent four weeks on the chart initially. It then re-entered at number 39 four weeks later and peaked at number 33 the week after; it spent a total of nine non-consecutive weeks on the
ARIA Singles Chart. Its best performance outside the US came in New Zealand, where it became Branch's fourth top-20 hit by peaking at number 16 and remaining on the chart for 14 weeks. ==Track listings==