In the first three months of this year, 3,605 people have crossed the border from south to north, which is more than the total for the whole of 2013.
The figure has grown month-on-month from 920 in January to 1,465 in March and the number of those detained for entering the country illegally has tripled in that time.
Canadian authorities caught 887 asylum seekers crossing unlawfully into Canada from the United States in March, nearly triple the number in January, according to numbers released by the government Wednesday.
This brings the total number of asylum seekers caught illegally walking across the border to 1,860 so far this year.
The new statistics suggest those numbers could rise further as the weather warms.
Canada is on track to see the highest number of asylum claims in six years, given the pace of claims filed so far, as increasing numbers of people cross into Canada to make refugee claims in the wake of US President Donald Trump's election and his crackdown on refugees and illegal immigrants.
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