 Sema was an unused substitute in the two-legged playoff against Italy in November 2017, which Sweden won, and therefore qualified for the 2018 FIFA World Cup.Despite featuring in commercials with the rest of the Sweden squad before the World Cup, Sema was eventually left out of the World Cup squad.Sema made his competitive international debut in a UEFA Euro 2020 qualifying game against the Faroe Islands national football team which Sweden won 3-0.