 Throughout Europe , " Fighter " also attained moderate success on charts , peaking within the top 15 in most of the countries where it charted . It reached number 11 in Belgium ( Flanders ) and Switzerland , number 12 in Norway and Sweden , number 13 in Germany , and number 15 in Denmark , Italy and Spain . In Hungary , it peaked at number 8 on the Mega Top 100 Singles . The single also reached the top five in the Netherlands . On the UK Singles Chart , " Fighter " was a commercial success , peaking at number three and remained there for 13 weeks , becoming the longest @-@ running single from Stripped on the chart . As of February 2013 , " Fighter " has sold 159 @,@ 000 copies in the United Kingdom . The single also garnered success in Australia and New Zealand , peaking at number five and 14 respectively in the two regions . Due to its chart success in Australia , the Australian Recording Industry Association ( ARIA ) certified " Fighter " gold for its shipments of 35 @,@ 000 copies there . 
