Tulis hiji kontinyu pikeun ayat ieu - Wilson debut pikeun Australia di 2013 FIBA Oseania Dina-16 Championship, averaging 5,3 titik, 4,3 rebounds jeung 2,3 assists per patandingan. Dina taun 2014, anjeunna milu dina FIBA Under-17 World Championship jeung FIBA Oceania Under-18 Championship. Di FIBA Under-17 World Championship di Dubai, Wilson mantuan Australia ngahontal kaulinan medali emas, dimana maranéhna leungit ka AS 99<unk>92 sanajan usaha 23-titik ti Wilson. Pikeun turnamén, Wilson rata-rata 12.3 poin, 6.6 rebound jeung 1.7 assists per game. Dina 2015, di FIBA U-19 Championship Dunya
, manéhna rata-rata 6.4 poin, 4.4 rebound jeung 2.8 assists per game. Dina Maret 2019, anjeunna nyieun debut pikeun Boomers Australia.