 He made his debut for the "Chipolopolo" on 19 November 2008, in a 3–0 friendly loss to Morocco.Nkausu earned his second international cap in January 2009, in Zambia's 1–0 friendly defeat to South Africa.He also played in the first half of Zambia's unofficial friendly match against Power Dynamos of the Zambian Premier League in October 2011.