In August 2022 the Biden administration mandated immediate open access to federally funded research after it is published, to be fully implemented by 2026.
To help choose a journal to publish in, it is worth reviewing the publisher’s policies regarding author rights for archiving in an institutional or subject repository.
SHERPA/ROMEO provides a searchable database of journals and publishers' policies on OA and self-archiving and can help find more information. For Australian journals and publishers OAKList offers similar information.