*Club domestic league appearances and goals, correct as of 10 November 2024 ‡ National team caps and goals, correct as of 15:19, 28 November 2021 (UTC)
In 2021, Oscar Aga signed a contract to play for IF Elfsborg; the contract will be in effect until 2025.[4]
On 6 March 2023, Aga signed a deal that would allow him to play for Rosenborg until the end of 2026.[5]
On 26 July 2023, Aga signed a loan deal with Fredrikstad, until the end of the 2023 season.[6] After the season, Fredrikstad announced they had extended the loan until the end of the 2024 season.[7]