After review, it seems like the UN models the data to report progress on this indicator. Data for Canada on that indicator can be found here: By Location | Pivot Table | Data Portal (un.org) and more context is found here: SDG Indicator 3.7.1 on Contraceptive Use | Population Division (un.org) while the source model seems to be the following: United Nations, Department of Economic and Social Affairs, Population Division (2022). Model-based Estimates and Projections of Family Planning Indicators 2022, custom data acquired via website (Link to source).
After review, it seems like the UN models the data to report progress on this indicator. Data for Canada on that indicator can be found here: By Location | Pivot Table | Data Portal (un.org) and more context is found here: SDG Indicator 3.7.1 on Contraceptive Use | Population Division (un.org) while the source model seems to be the following: United Nations, Department of Economic and Social Affairs, Population Division (2022). Model-based Estimates and Projections of Family Planning Indicators 2022, custom data acquired via website (Link to source).