Spousal and common-law partner sponsorship allows a Canadian citizen or permanent resident to sponsor their partner for permanent residence. The underlying eligibility requirements are the same either way; what differs is where the application is filed and what that means for the sponsored partner in the meantime.
Inland sponsorship
Inland applications are filed when the sponsored spouse or partner is already living in Canada with the sponsor, typically on valid temporary status such as a visitor record, study permit, or work permit. A key advantage of the inland route is that the sponsored partner can apply for an open work permit alongside the sponsorship application, allowing them to work for almost any employer in Canada while the application is processed. The trade-off is around travel: leaving Canada while an inland application is in process can complicate matters, and re-entry is not guaranteed, so couples pursuing this route generally need to be prepared to stay in Canada together throughout processing.
Outland sponsorship
Outland applications are filed when the sponsored partner lives outside Canada, or when a couple prefers to apply through the visa office responsible for the partner's country of residence even if that partner is currently visiting Canada. Outland applicants generally retain more flexibility to travel in and out of Canada on their existing temporary status while the sponsorship is processed, since the application isn't tied to a continuous in-Canada stay. There is no open work permit tied automatically to the outland stream, though other work permit options may still be available depending on the applicant's status.
Choosing between them
Couples already living together in Canada, especially where the sponsored partner wants to work as soon as possible, often lean toward the inland route despite the travel restriction. Couples who are currently living apart, or who value the flexibility to travel during processing, often choose the outland route. Processing times for both routes are set by IRCC and can shift, so current timelines should be checked directly before deciding.