Prime Minister Justin Trudeau is seen in the House of Commons in a file photo. iPolitics/Matthew Usherwood

Nearly 47 per cent of Canadians think the Trudeau government’s carbon tax is not helpful to the country’s economy, suggests new results from a Mainstreet Research poll for iPolitics.

However, the carbon tax is the only one of the major initiatives of the Trudeau government studied in the survey that a plurality of respondents thought wasn’t beneficial to the economy.

The third release of results from the polling firm’s phone survey of 2,651 Canadians — conducted between June 27 and July 2 — shows that over 60 per cent of respondents thought the Canada Child Benefit was either helpful or very helpful to the economy, while another 56 per cent thought the same about the Liberal government’s infrastructure investment package.

A slim majority (51 per cent) thought the Trans Mountain pipeline was at least somewhat helpful, while 54 per cent said the same about the Liberal government’s affordable housing investments and home buying incentives.

Even the new North American trade deal, dubbed USMCA in the U.S. and CUSMA in Canada, was seen as more helpful (46.6 per cent) than not (33.4 per cent), though roughly one-in-five voters said they were not sure about its economic impact.

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But when it came to the carbon tax, 30.1 per cent of respondents said it was “very unhelpful” and 16.5 per cent called it “somewhat unhelpful.” Conversely, 18.5 per cent called it “very helpful” and 23.2 as “somewhat helpful.” Just under 12 per cent said they were unsure.

The poll’s margin of error is plus or minus 1.9 points.

Regionally, just over 52 per cent of voters in Alberta and the Prairies said the carbon tax was very unhelpful, while support for the pricing tool on pollution was strongest in Quebec (52 per cent thought it was at least somewhat helpful) and Ontario (43.6 per cent).

Around 48 per cent of respondents in B.C. and Atlantic Canada didn’t think the tax was beneficial, compared to 44 per cent in Ontario.

Support for the carbon tax as helpful to the economy was highest among young people (18-34) at 47.2 per cent, while it was the lowest among the 35-49 age cohort (45.4 per cent).

Mainstreet president and CEO Quito Maggi said in a statement the results show that most of Justin Trudeau’s economic initiatives over the last four years are “getting a mostly positive review from Canadians,” though many understand there is “some economic pain that the carbon tax brings about.”

However, he said previous polling conducted by the firm shows Canadians “generally accept a carbon tax as a means to protect the environment for future generations.”

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Despite the political controversy over its approval, the Trans Mountain pipeline expansion is seen as more helpful than not to the economy among respondents in each region or province studied.

In Alberta, 64. 9 per cent thought the pipeline was at least somewhat helpful, compared to 60.9 in the Prairies, 48.7 in Atlantic Canada, 48.4 in Quebec, 48.2 in Ontario and 47.9 in B.C., which is home to the pipeline’s terminus.