Three years at least out of the last five years, is the simple answer, but there are slight changes to that.
At least for 1,095 days or three out of the five years, you need to be physically present in Canada before applying for citizenship to become a Canadian citizen. However, not all days are equal regarding eligibility for Canadian citizenship. For example, only if you were physically present as a permanent resident in Canada Immigration Refugees and Citizenship Canada (IRCC) will you count it as full days for meeting the physical presence requirement criteria.
Up to a maximum of 1 year or 365 days, every day you spend in Canada as a Temporary Resident (TR) will only be counted as a half day. So, it will take two years to reach the required maximum number of days as every day is counted only as a half day. You don’t need to spend time in the country to get citizenship. But being a TR, you will be able to know how well to calculate and meet your physical presence requirement.
On the official website, IRCC strongly recommends that you need to stay physically present in Canada for more than a minimum of 1,095 days before you apply for your citizenship to ensure eligibility.
There are a few more eligibility conditions for obtaining Canadian citizenship other than the physical presence requirement in the country.
Following that, they will have to attend the citizenship ceremony to receive the certificate of Canadian citizenship by taking the Oath of Citizenship. You will then officially become a Canadian Citizen after that.
You would not get TR if your PRRA or refugee claim got assessed when you received a study or work permit. IRCC will not calculate this period towards your physical presence.
If you are claiming your time being a protected person, the only time that is permitted is the time from when you got a favorable decision regarding your claim or the PRRA application made until the day before you got your PR. The days you have spent in the country after the approval and before getting your PR will only be counted as half a day towards applying for citizenship.
If you have spent any time being a prisoner in Canada or were on parole or probation, those days will not get counted toward your physical presence criteria. You can see some exceptions to this, though. First, the time spent on probation due to a conditional discharge may account for your physical presence if you do not breach parole. You don’t have to declare your time spent on probation or prison if you have received a youth sentence and completed that sentence without fault. Finally, suppose your time served as a punishment for committing an offense in the country happened five years before the date of your application; that time is outside the period considered for your physical presence by IRCC.
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