 On Wednesday 17 January 2018 Carey hit his first Big Bash century when he opened the batting against the Hobart Hurricanes at his home ground, the Adelaide Oval.This form saw him flown to the Gabba two days later to make his One Day International (ODI) debut for Australia, replacing an ill Tim Paine on 19 January 2018.Later the same month, he was named in Australia's Twenty20 International (T20I) squad for the 2017–18 Trans-Tasman Tri-Series, which started in February 2018.