 Nyorai mberi kweiyi ndima - Muzhizha ra2005 na2007, Johnson akatambira chikwata chenyika cheU-20 cheCanada pa2005uye 2007 World Youth Championships muNetherlands neCanada zvakateerana. Johnson akatambawo zvakanaka kwazvo kuCanada U-23 divi panguva ye2008 CONCACAF Olympic Qualifying Tournament. Johnson akarova zvibodzwa zvitatu mumitambo mitatu panguva yemutambo. Zvisinei, Canada yakatadza kupinda mumitambo yeOlympic mushure mekukundwa neUnited States 30 mumasemifainari. 