The verdict
Mr Frydenberg’s claim is misleading.
The first reason is that the figures the Treasurer has quoted are from different years. Australia is sourced to 2020, New Zealand and Canada to 2019 and the OECD to 2018.
This inconsistency is particularly problematic as emissions figures to 2020 include large reductions as a result of the pandemic, and not government policy, while prior years do not.
Figures for 2020 are available for New Zealand, Canada and 32 of 38 OECD countries.