 Elsewhere , the song 's reception was stronger . In Canada , it debuted in the top 40 on the Canadian Singles Chart before reaching number 24 in late January 2005 . In the United Kingdom , " What You Waiting For ? " debuted and peaked at number four on the UK Singles Chart and remained on the chart for 15 weeks . The single performed well across most of the rest of Europe , reaching the top five in Belgium , Denmark , Finland , France , Ireland , Italy , and Norway , and the top 10 in Austria , Hungary , the Netherlands , and Sweden . 
