According to the OECD, Canada has the weakest prospects for per-person GDP growth between 2020 and 2060 among 17 countries.
Average per-person income in Canada is now roughly US$51,000 versus US$54,000 in Australia.
The price of gas has increased by 41.7 per cent over the last 12 months.
Canada plans to impose a punitive tax on carbon to discourage emissions, at $170 per tonne by 2030.
Canada dropped to 14th in the new Economic Freedom of the World report, down slightly from 13th the previous year.
Canada has the fifth-highest level of total government debt among 29 industrialized countries.