Klose made his international debut for Germany in a 2002 FIFA World Cup qualifier against Albania, scoring the winning goal.

Klose scored five headed goals in the 2002 World Cup, becoming the joint second-highest goalscorer and earning the nickname 'Salto-Klose'.

Klose won the Golden Boot at the 2006 World Cup, scoring five goals and helping Germany finish third.

Klose scored four goals in the 2010 World Cup, contributing to Germany's third-place finish.

Klose scored twice in the 2014 World Cup, breaking Ronaldo's record for most World Cup goals and helping Germany win the tournament.

Klose announced his retirement from international football after Germany's victory in the 2014 World Cup.