October 1, 2017. The length of time Permanent Resident must be physically present in Canada to qualify for Citizenship is reduced.
To help immigrants achieve citizenship more quickly, Canadian Government reduced the time required to be spent in Canada for citizenship for adults to three years (1095 days) within the five years before applying for citizenship. This will mean applicants can apply one year sooner than they can now.
Earlier Permanent Resident were to be physically present 4 years within 6 years to apply for citizenship.
This offers greater flexibility for immigrants who may need to travel outside of Canada for various personal or work reasons.