Australia is one of the worst offenders (per capita), let me get the numbers.

Edit:

Here are the per-capita emissions of a few countries for comparison. It's interactive, you can add and remove (click "+ Add country" for this as well) countries from the graph as you like: https://ourworldindata.org/grapher/per-capita-ghg-emissions?...

Article on this: https://ourworldindata.org/co2/country/australia?country=USA...