The new measures, expected to take effect later this year, aim to strengthen border security, enforce residency requirements for permanent residents and pinpoint those who fail to leave the country as required.

It is not known how many visitors who’ve overstayed their welcome, failed asylum seekers and criminals the new “exit” system will catch, but both Employment and Social Development Canada and the Canada Revenue Agency, which will have access to the data, are expected to nab many Canadians who are outside of the country and ineligible to receive further benefit payments.

The estimated savings for the government in employment insurance and old age security over 10 years could add up to $206 million, plus another $151 million in family and child tax credits and other benefits, according to an analysis of the proposed changes to the Customs Act published Saturday.

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