Ṣẹ̀kún gbólóhùn tó tẹ̀ lé e yìí: A pè é ní 2007 Danish under-19 talent of the year àti 2009 Danish Talent of the Year. Kjær ti ṣe diẹ sii ju awọn ere 110 fun Denmark, pẹlu ikopa ninu FIFA World Cup ni ọdun 2010 ati 2018, ati UEFA European Championship ni ọdun 2012 ati
Ọdún 2020.