The head of the federal public service says the budget commitment to spend less and invest more will result in the loss of 40,000 jobs as programs are scaled back or eliminated.

Michael Sabia, clerk of the Privy Council, made the statement in a memo sent to federal employees a day after Prime Minister Mark Carney’s government delivered its first budget.

The memo says the government’s promise to cut $60 billion over five years is a “big number” and will have to come with sacrifices.

“That number has real consequences for people who serve their country and for their families. I am not going to try to diminish those consequences," he said. "They are real."

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